| Fort Meade to Olivares | 3,729.83 mi (6,002.58 km) |
| Fort Meade to Olivenza | 3,646.30 mi (5,868.15 km) |
| Fort Meade to Olot | 4,002.49 mi (6,441.39 km) |
| Fort Meade to Onate | 3,751.12 mi (6,036.85 km) |
| Fort Meade to Onda | 3,940.51 mi (6,341.63 km) |
| Fort Meade to Onteniente | 3,958.84 mi (6,371.13 km) |
| Fort Meade to Orihuela | 3,965.19 mi (6,381.35 km) |
| Fort Meade to Osuna | 3,787.37 mi (6,095.18 km) |
| Fort Meade to Ourense | 3,512.72 mi (5,653.18 km) |
| Fort Meade to Oviedo | 3,582.66 mi (5,765.74 km) |
| Fort Meade to Paiporta | 3,949.36 mi (6,355.88 km) |
| Fort Meade to Pajara | 3,604.54 mi (5,800.94 km) |
| Fort Meade to Palafolls | 4,030.16 mi (6,485.92 km) |
| Fort Meade to Palafrugell | 4,041.60 mi (6,504.33 km) |
| Fort Meade to Palamos | 4,042.22 mi (6,505.33 km) |
