| Littleton to Orbetello | 5,507.15 mi (8,862.90 km) |
| Littleton to Oria | 5,830.83 mi (9,383.82 km) |
| Littleton to Oristano | 5,533.71 mi (8,905.65 km) |
| Littleton to Orta Nova | 5,721.49 mi (9,207.85 km) |
| Littleton to Orte | 5,547.90 mi (8,928.48 km) |
| Littleton to Ortona | 5,623.98 mi (9,050.92 km) |
| Littleton to Orvieto | 5,525.33 mi (8,892.16 km) |
| Littleton to Orzinuovi | 5,317.88 mi (8,558.30 km) |
| Littleton to Osimo | 5,535.11 mi (8,907.89 km) |
| Littleton to Ospitaletto | 5,315.26 mi (8,554.08 km) |
| Littleton to Ostuni | 5,816.90 mi (9,361.40 km) |
| Littleton to Ottaviano | 5,702.91 mi (9,177.94 km) |
| Littleton to Ovada | 5,308.98 mi (8,543.98 km) |
| Littleton to Ozieri | 5,516.50 mi (8,877.95 km) |
| Littleton to Paceco | 5,777.61 mi (9,298.17 km) |
