| Littleton to Oerlinghausen | 4,965.42 mi (7,991.07 km) |
| Littleton to Oestrich-Winkel | 5,034.94 mi (8,102.95 km) |
| Littleton to Offenburg | 5,103.92 mi (8,213.97 km) |
| Littleton to Oftersheim | 5,083.55 mi (8,181.18 km) |
| Littleton to Ohrdruf | 5,084.21 mi (8,182.25 km) |
| Littleton to Ohringen | 5,121.79 mi (8,242.72 km) |
| Littleton to Olbernhau | 5,173.10 mi (8,325.30 km) |
| Littleton to Olching | 5,229.39 mi (8,415.89 km) |
| Littleton to Oldenburg | 4,897.07 mi (7,881.07 km) |
| Littleton to Oldenburg in Holstein | 4,924.27 mi (7,924.84 km) |
| Littleton to Olfen | 4,935.97 mi (7,943.68 km) |
| Littleton to Olpe | 4,982.56 mi (8,018.66 km) |
| Littleton to Olsberg | 4,988.13 mi (8,027.62 km) |
| Littleton to Oranienburg | 5,067.96 mi (8,156.09 km) |
| Littleton to Ortenberg | 5,052.86 mi (8,131.80 km) |
