| Walker to Oerlinghausen | 4,134.79 mi (6,654.29 km) |
| Walker to Oestrich-Winkel | 4,183.95 mi (6,733.41 km) |
| Walker to Offenburg | 4,239.73 mi (6,823.18 km) |
| Walker to Oftersheim | 4,229.69 mi (6,807.03 km) |
| Walker to Ohrdruf | 4,252.43 mi (6,843.62 km) |
| Walker to Ohringen | 4,270.49 mi (6,872.68 km) |
| Walker to Olbernhau | 4,351.92 mi (7,003.74 km) |
| Walker to Olching | 4,377.97 mi (7,045.66 km) |
| Walker to Oldenburg | 4,075.50 mi (6,558.88 km) |
| Walker to Oldenburg in Holstein | 4,125.38 mi (6,639.16 km) |
| Walker to Olfen | 4,097.60 mi (6,594.46 km) |
| Walker to Olpe | 4,139.78 mi (6,662.33 km) |
| Walker to Olsberg | 4,151.11 mi (6,680.56 km) |
| Walker to Oranienburg | 4,265.09 mi (6,864.01 km) |
| Walker to Ortenberg | 4,209.51 mi (6,774.55 km) |
