| Station | Elevation | Latitude (DD) | Longitude (DD) |
| Castle afb | 600 | +37383 | -120567 |
| Castle afb/merced | 600 | +37383 | -120567 |
| Castle hill (cgs) | 150 | +41450 | -071350 |
| Castroville/moss | 50 | +36800 | -121800 |
| Cave creek radar | 15840 | +33983 | -111800 |
| Cayey puerto rico | 3960 | +18116 | -066150 |
| Cecil field | 271 | +30217 | -081867 |
| Cedar city municipal ap | 17029 | +37700 | -113100 |
| Cedar city radar | 32600 | +37600 | -112867 |
| Cedar key | 30 | +29133 | -083033 |
| Cedar rapids municipal ap | 2560 | +41883 | -091717 |
| Celone italy | 620 | -41550 | +015550 |
| Central | 2520 | +65483 | -144667 |
| Central no 2 | 2649 | +65583 | -144800 |
| Centralia | 1630 | +38517 | -089100 |
| Centreville wsmo | 1400 | +32900 | -087250 |
| Cerignola/mu | 1230 | -41266 | +015916 |
| Chadron municipal | 10113 | +42833 | -103100 |
| Chadron municipal ap | 10113 | +42833 | -103083 |
| Chakulia india | 1310 | +22450 | +086700 |
| Challenge island | 0 | +70233 | -146500 |
| Challis (amos) | 15460 | +44517 | -114217 |
| Chama | 23930 | +36900 | -106583 |
| Chamberlain (amos) | 5300 | +43800 | -099317 |
| Chame panama | 370 | +08600 | -079916 |
| Champaign/urbana | 2300 | +40033 | -088283 |
| Chandalar lake | 5850 | +67500 | -148483 |
| Chandalar shelf | 9820 | +68067 | -149583 |
| Chandler | 3790 | +33267 | -111817 |
| Chandler williams afb | 4121 | +33300 | -111667 |
| Changgai gap /rok afs k-3 | 210 | +36083 | +129566 |
| Chanhassen | 2870 | +44850 | -093567 |
| Chanute martin johnson ap | 2984 | +37667 | -095483 |
| Chapel hill/william | 1550 | +35767 | -079050 |
| Char chapli island pakistan | 30 | +21783 | +090150 |
| Chariton | 3200 | +41033 | -093367 |
| Charles city | 3430 | +43067 | -092617 |
| Charleston | 180 | +32783 | -079933 |
| Charleston (nise) | 90 | +32917 | -079983 |
| Charleston afb | 140 | +32900 | -080050 |
| Charleston intl arpt | 122 | +32900 | -080033 |
| Charleston kanawha arpt | 2862 | +38367 | -081600 |
| Charleston nas | 21 | +32850 | -079933 |
| Charleston nexrad | 21 | +32667 | -081033 |
| Charleston yeager arpt | 3097 | +38383 | -081583 |
| Charlevoix | 2040 | +45300 | -085267 |
| Charlevoix/lansing | 1980 | +45317 | -085250 |
| Charlotte douglas intl arpt | 2219 | +35217 | -080950 |
| Charlotte douglas municipal a | 2310 | +35217 | -080933 |
| Charlottesville | 1899 | +38133 | -078450 |
| Charlottesville faa | 1899 | +38133 | -078450 |
| Chatham | 160 | +41667 | -069967 |
| Chatham (cgs) | 10 | +41667 | -069950 |
| Chatham muni arpt | 190 | +41683 | -070000 |
| Chattanooga lovell field ap | 2045 | +35033 | -085200 |
| Chattanooga/daisy | 2250 | +35167 | -085150 |
| Cheboygan | 1760 | +45650 | -084467 |
| Chechon korea | 820 | +37150 | +128250 |
| Chenault airpark | 49 | +30217 | -093150 |
| Chengtu china/hsinching aab | 4810 | +30249 | +104033 |
| Cherry point mcas | 110 | +34900 | -076883 |
| Chesapeake | 0 | +36917 | -074717 |
| Chesapeake huntington ap | 1707 | +38417 | -082500 |
| Chesapeake muni arp | 60 | +36667 | -076317 |
| Chetco river (cgs) | 60 | +42150 | -124267 |
| Cheyenne municipal arpt | 18672 | +41150 | -104800 |
| Chicago (wsfo) | 1810 | +42000 | -087883 |
| Chicago meigs field | 1801 | +41867 | -087617 |
| Chicago midway ap | 1865 | +41783 | -087750 |
| Chicago nexrad | 2310 | +41600 | -088083 |
| Chicago ohare intl ap | 2006 | +41983 | -087917 |
| Chicago/calumet cgs | 1800 | +41717 | -087533 |
| Chicago/dunne crib | 1910 | +41783 | -087533 |
| Chicago/meigs | 1801 | +41867 | -087600 |
| Chicago/midway | 1865 | +41783 | -087750 |
| Chicago/palwaukee | 1970 | +42117 | -087900 |
| Chicago/waukegan | 2220 | +42417 | -087867 |
| Chico california map | 690 | +39783 | -121850 |
| Chico municipal | 730 | +39800 | -121850 |
| Chico municipal & | 730 | +39783 | -121850 |
| Chicopee falls westo | 750 | +42200 | -072533 |
| Chicopee/westover | 750 | +42200 | -072533 |
| Chigago-waukee arpt | 1970 | +42117 | -087900 |
| Chignik | 150 | +56200 | -158233 |
| Childress municipal ap | 5959 | +34433 | -100283 |
| Chillicothe | 2340 | +39817 | -093583 |
| China lake naf | 6767 | +35683 | -117683 |
| Chincoteague nas | 149 | +37933 | -075433 |
| Chino airport | 1980 | +33967 | -117633 |
| Chipori korea | 1530 | +38199 | +127200 |
| Chippewa intl(awos) | 2440 | +46250 | -084467 |
| Cho-do korea | 670 | +38550 | +124816 |
| Chokhyon-dong korea/team 820 | 1590 | +38033 | +127366 |
| Chokhyon-dong korea/team 821 | 1560 | +38133 | +127300 |
| Chonan korea | 480 | +36816 | +127250 |
| Chuginadak island alaska | 240 | +52833 | -169833 |
| Chula vista brown field naas | 1594 | +32583 | -116983 |
| Chulitna | 3810 | +62883 | -149833 |
| Chumunjin korea | 60 | +37883 | +128816 |
| Cincinnati greater cincinnati | 2701 | +39050 | -084667 |
| Cincinnati municipal ap lunki | 1494 | +39100 | -084417 |
| Cincinnati northern ky ap | 2649 | +39050 | -084667 |
| Circle city airport | 1820 | +65833 | -144067 |
| Claiborne range af | 579 | +31067 | -092500 |
| Claiborne rng (afs) | 670 | +31133 | -092567 |
| Clarendon municipal ap | 8751 | +34950 | -100933 |
| Clarinda | 3030 | +40717 | -095033 |
| Clarion | 3540 | +42750 | -093767 |
| Clarksburg/benedum | 3670 | +39300 | -080233 |
| Clarksville/marks | 1280 | +36600 | -078567 |
| Clarksville/outlaw | 1680 | +36617 | -087417 |
| Clayton lake | 3140 | +46617 | -069533 |
| Clayton municipal airpark | 15118 | +36450 | -103150 |
| Clear | 1680 | +64300 | -149117 |
| Clearfield-lawrence | 4620 | +41033 | -078400 |
| Clemson-oconee co a | 2710 | +34667 | -082867 |
| Cleveland (lgt-h) | 1820 | +41483 | -081700 |
| Cleveland hopkins intl ap | 2347 | +41400 | -081850 |
| Cleveland hrbr(cgs) | 1810 | +41500 | -081717 |
| Cleveland/burkelake | 1780 | +41517 | -081683 |
United states of america (US)