| Ham Lake to Oerlinghausen | 4,280.49 mi (6,888.79 km) |
| Ham Lake to Oestrich-Winkel | 4,343.25 mi (6,989.79 km) |
| Ham Lake to Offenburg | 4,408.15 mi (7,094.24 km) |
| Ham Lake to Oftersheim | 4,391.05 mi (7,066.71 km) |
| Ham Lake to Ohrdruf | 4,399.25 mi (7,079.91 km) |
| Ham Lake to Ohringen | 4,430.24 mi (7,129.78 km) |
| Ham Lake to Olbernhau | 4,492.24 mi (7,229.57 km) |
| Ham Lake to Olching | 4,538.09 mi (7,303.35 km) |
| Ham Lake to Oldenburg | 4,215.15 mi (6,783.63 km) |
| Ham Lake to Oldenburg in Holstein | 4,250.90 mi (6,841.17 km) |
| Ham Lake to Olfen | 4,248.26 mi (6,836.91 km) |
| Ham Lake to Olpe | 4,293.48 mi (6,909.69 km) |
| Ham Lake to Olsberg | 4,301.04 mi (6,921.86 km) |
| Ham Lake to Oranienburg | 4,393.60 mi (7,070.82 km) |
| Ham Lake to Ortenberg | 4,363.79 mi (7,022.84 km) |
