| Spanish Springs to Oerlinghausen | 5,387.10 mi (8,669.69 km) |
| Spanish Springs to Oestrich-Winkel | 5,475.89 mi (8,812.59 km) |
| Spanish Springs to Offenburg | 5,557.20 mi (8,943.45 km) |
| Spanish Springs to Oftersheim | 5,526.24 mi (8,893.62 km) |
| Spanish Springs to Ohrdruf | 5,503.66 mi (8,857.29 km) |
| Spanish Springs to Ohringen | 5,560.73 mi (8,949.13 km) |
| Spanish Springs to Olbernhau | 5,579.03 mi (8,978.58 km) |
| Spanish Springs to Olching | 5,665.58 mi (9,117.87 km) |
| Spanish Springs to Oldenburg | 5,311.52 mi (8,548.06 km) |
| Spanish Springs to Oldenburg in Holstein | 5,315.20 mi (8,553.98 km) |
| Spanish Springs to Olfen | 5,366.46 mi (8,636.48 km) |
| Spanish Springs to Olpe | 5,416.32 mi (8,716.73 km) |
| Spanish Springs to Olsberg | 5,415.75 mi (8,715.80 km) |
| Spanish Springs to Oranienburg | 5,458.39 mi (8,784.43 km) |
| Spanish Springs to Ortenberg | 5,485.27 mi (8,827.69 km) |
