| Pornichet to Oestrich-Winkel | 508.00 mi (817.55 km) |
| Pornichet to Offenburg | 482.98 mi (777.28 km) |
| Pornichet to Oftersheim | 522.06 mi (840.17 km) |
| Pornichet to Ohrdruf | 640.03 mi (1,030.03 km) |
| Pornichet to Ohringen | 560.42 mi (901.91 km) |
| Pornichet to Olbernhau | 747.07 mi (1,202.30 km) |
| Pornichet to Olching | 637.07 mi (1,025.26 km) |
| Pornichet to Oldenburg | 617.57 mi (993.89 km) |
| Pornichet to Oldenburg in Holstein | 752.80 mi (1,211.51 km) |
| Pornichet to Olfen | 533.15 mi (858.03 km) |
| Pornichet to Olpe | 527.18 mi (848.42 km) |
| Pornichet to Olsberg | 562.53 mi (905.31 km) |
| Pornichet to Oranienburg | 786.48 mi (1,265.72 km) |
| Pornichet to Ortenberg | 560.00 mi (901.23 km) |
| Pornichet to Oschatz | 748.15 mi (1,204.03 km) |
