| Fort Carson to Nasaud | 5,722.03 mi (9,208.71 km) |
| Fort Carson to Navodari | 6,006.68 mi (9,666.82 km) |
| Fort Carson to Negresti-Oas | 5,661.94 mi (9,112.01 km) |
| Fort Carson to Nehoiu | 5,883.06 mi (9,467.87 km) |
| Fort Carson to Ocna Mures | 5,755.05 mi (9,261.85 km) |
| Fort Carson to Odobesti | 5,881.55 mi (9,465.44 km) |
| Fort Carson to Odorheiu Secuiesc | 5,800.97 mi (9,335.75 km) |
| Fort Carson to Oltenita | 5,963.39 mi (9,597.15 km) |
| Fort Carson to Onesti | 5,845.63 mi (9,407.64 km) |
| Fort Carson to Oradea | 5,660.98 mi (9,110.47 km) |
| Fort Carson to Orastie | 5,764.94 mi (9,277.77 km) |
| Fort Carson to Oravita | 5,762.65 mi (9,274.09 km) |
| Fort Carson to Orsova | 5,801.45 mi (9,336.53 km) |
| Fort Carson to Otelu Rosu | 5,757.38 mi (9,265.61 km) |
| Fort Carson to Otopeni | 5,921.02 mi (9,528.96 km) |
