| Avon Lake to Oerlinghausen | 4,070.40 mi (6,550.68 km) |
| Avon Lake to Oestrich-Winkel | 4,111.66 mi (6,617.07 km) |
| Avon Lake to Offenburg | 4,162.02 mi (6,698.12 km) |
| Avon Lake to Oftersheim | 4,156.02 mi (6,688.46 km) |
| Avon Lake to Ohrdruf | 4,186.83 mi (6,738.05 km) |
| Avon Lake to Ohringen | 4,197.53 mi (6,755.27 km) |
| Avon Lake to Olbernhau | 4,289.47 mi (6,903.24 km) |
| Avon Lake to Olching | 4,304.30 mi (6,927.09 km) |
| Avon Lake to Oldenburg | 4,014.82 mi (6,461.23 km) |
| Avon Lake to Oldenburg in Holstein | 4,072.36 mi (6,553.82 km) |
| Avon Lake to Olfen | 4,030.63 mi (6,486.67 km) |
| Avon Lake to Olpe | 4,070.87 mi (6,551.43 km) |
| Avon Lake to Olsberg | 4,084.26 mi (6,572.99 km) |
| Avon Lake to Oranienburg | 4,209.68 mi (6,774.82 km) |
| Avon Lake to Ortenberg | 4,139.92 mi (6,662.56 km) |
