| Tumwater to Oerlinghausen | 5,024.62 mi (8,086.35 km) |
| Tumwater to Oestrich-Winkel | 5,123.91 mi (8,246.13 km) |
| Tumwater to Offenburg | 5,211.84 mi (8,387.65 km) |
| Tumwater to Oftersheim | 5,174.63 mi (8,327.77 km) |
| Tumwater to Ohrdruf | 5,138.27 mi (8,269.24 km) |
| Tumwater to Ohringen | 5,206.32 mi (8,378.76 km) |
| Tumwater to Olbernhau | 5,204.78 mi (8,376.28 km) |
| Tumwater to Olching | 5,308.05 mi (8,542.47 km) |
| Tumwater to Oldenburg | 4,945.82 mi (7,959.54 km) |
| Tumwater to Oldenburg in Holstein | 4,936.02 mi (7,943.75 km) |
| Tumwater to Olfen | 5,009.58 mi (8,062.14 km) |
| Tumwater to Olpe | 5,060.74 mi (8,144.47 km) |
| Tumwater to Olsberg | 5,056.44 mi (8,137.55 km) |
| Tumwater to Oranienburg | 5,077.03 mi (8,170.69 km) |
| Tumwater to Ortenberg | 5,127.90 mi (8,252.55 km) |
