| Portet-sur-Garonne to Oestrich-Winkel | 545.19 mi (877.40 km) |
| Portet-sur-Garonne to Offenburg | 463.23 mi (745.49 km) |
| Portet-sur-Garonne to Oftersheim | 528.75 mi (850.95 km) |
| Portet-sur-Garonne to Ohrdruf | 667.32 mi (1,073.95 km) |
| Portet-sur-Garonne to Ohringen | 549.73 mi (884.71 km) |
| Portet-sur-Garonne to Olbernhau | 745.67 mi (1,200.04 km) |
| Portet-sur-Garonne to Olching | 575.37 mi (925.97 km) |
| Portet-sur-Garonne to Oldenburg | 733.89 mi (1,181.09 km) |
| Portet-sur-Garonne to Oldenburg in Holstein | 858.39 mi (1,381.45 km) |
| Portet-sur-Garonne to Olfen | 630.42 mi (1,014.57 km) |
| Portet-sur-Garonne to Olpe | 598.60 mi (963.35 km) |
| Portet-sur-Garonne to Olsberg | 633.32 mi (1,019.22 km) |
| Portet-sur-Garonne to Oranienburg | 837.17 mi (1,347.29 km) |
| Portet-sur-Garonne to Ortenberg | 593.61 mi (955.33 km) |
| Portet-sur-Garonne to Oschatz | 765.19 mi (1,231.45 km) |
