| Olonne-sur-Mer to Ottendorf-Okrilla | 776.29 mi (1,249.32 km) |
| Olonne-sur-Mer to Ottersberg | 664.10 mi (1,068.76 km) |
| Olonne-sur-Mer to Ottobrunn | 637.67 mi (1,026.24 km) |
| Olonne-sur-Mer to Ottweiler | 457.20 mi (735.79 km) |
| Olonne-sur-Mer to Overath | 513.10 mi (825.76 km) |
| Olonne-sur-Mer to Oyten | 658.13 mi (1,059.17 km) |
| Olonne-sur-Mer to Paderborn | 594.64 mi (956.98 km) |
| Olonne-sur-Mer to Papenburg | 608.10 mi (978.64 km) |
| Olonne-sur-Mer to Parchim | 766.94 mi (1,234.28 km) |
| Olonne-sur-Mer to Pasewalk | 846.67 mi (1,362.59 km) |
| Olonne-sur-Mer to Passau | 723.05 mi (1,163.64 km) |
| Olonne-sur-Mer to Pattensen | 651.39 mi (1,048.31 km) |
| Olonne-sur-Mer to Pegnitz | 651.96 mi (1,049.23 km) |
| Olonne-sur-Mer to Peine | 670.04 mi (1,078.33 km) |
| Olonne-sur-Mer to Peissenberg | 608.36 mi (979.05 km) |
