| Westerland to Oerlinghausen | 203.90 mi (328.14 km) |
| Westerland to Oestrich-Winkel | 339.49 mi (546.36 km) |
| Westerland to Offenburg | 445.48 mi (716.92 km) |
| Westerland to Oftersheim | 382.92 mi (616.24 km) |
| Westerland to Ohrdruf | 299.58 mi (482.12 km) |
| Westerland to Ohringen | 397.75 mi (640.11 km) |
| Westerland to Olbernhau | 360.44 mi (580.07 km) |
| Westerland to Olching | 481.19 mi (774.39 km) |
| Westerland to Oldenburg | 122.08 mi (196.48 km) |
| Westerland to Oldenburg in Holstein | 111.36 mi (179.21 km) |
| Westerland to Olfen | 223.90 mi (360.34 km) |
| Westerland to Olpe | 269.72 mi (434.08 km) |
| Westerland to Olsberg | 246.08 mi (396.03 km) |
| Westerland to Oranienburg | 250.07 mi (402.45 km) |
| Westerland to Ortenberg | 316.22 mi (508.90 km) |
