| Oloron-Sainte-Marie to Oestrich-Winkel | 622.14 mi (1,001.24 km) |
| Oloron-Sainte-Marie to Offenburg | 548.72 mi (883.07 km) |
| Oloron-Sainte-Marie to Oftersheim | 611.33 mi (983.85 km) |
| Oloron-Sainte-Marie to Ohrdruf | 749.15 mi (1,205.63 km) |
| Oloron-Sainte-Marie to Ohringen | 636.08 mi (1,023.67 km) |
| Oloron-Sainte-Marie to Olbernhau | 833.85 mi (1,341.96 km) |
| Oloron-Sainte-Marie to Olching | 670.24 mi (1,078.65 km) |
| Oloron-Sainte-Marie to Oldenburg | 797.28 mi (1,283.10 km) |
| Oloron-Sainte-Marie to Oldenburg in Holstein | 926.34 mi (1,490.79 km) |
| Oloron-Sainte-Marie to Olfen | 696.26 mi (1,120.53 km) |
| Oloron-Sainte-Marie to Olpe | 669.64 mi (1,077.68 km) |
| Oloron-Sainte-Marie to Olsberg | 705.38 mi (1,135.19 km) |
| Oloron-Sainte-Marie to Oranienburg | 916.94 mi (1,475.68 km) |
| Oloron-Sainte-Marie to Ortenberg | 672.62 mi (1,082.48 km) |
| Oloron-Sainte-Marie to Oschatz | 850.44 mi (1,368.64 km) |
