| Bellingham to Oerlinghausen | 4,907.93 mi (7,898.55 km) |
| Bellingham to Oestrich-Winkel | 5,008.30 mi (8,060.09 km) |
| Bellingham to Offenburg | 5,096.93 mi (8,202.72 km) |
| Bellingham to Oftersheim | 5,059.04 mi (8,141.74 km) |
| Bellingham to Ohrdruf | 5,021.19 mi (8,080.83 km) |
| Bellingham to Ohringen | 5,090.39 mi (8,192.19 km) |
| Bellingham to Olbernhau | 5,086.76 mi (8,186.35 km) |
| Bellingham to Olching | 5,191.71 mi (8,355.25 km) |
| Bellingham to Oldenburg | 4,828.83 mi (7,771.26 km) |
| Bellingham to Oldenburg in Holstein | 4,817.65 mi (7,753.25 km) |
| Bellingham to Olfen | 4,893.51 mi (7,875.34 km) |
| Bellingham to Olpe | 4,944.78 mi (7,957.85 km) |
| Bellingham to Olsberg | 4,940.07 mi (7,950.27 km) |
| Bellingham to Oranienburg | 4,958.37 mi (7,979.73 km) |
| Bellingham to Ortenberg | 5,011.69 mi (8,065.54 km) |
