| Orthez to Oestrich-Winkel | 611.47 mi (984.06 km) |
| Orthez to Offenburg | 540.70 mi (870.18 km) |
| Orthez to Oftersheim | 602.25 mi (969.23 km) |
| Orthez to Ohrdruf | 739.58 mi (1,190.23 km) |
| Orthez to Ohringen | 628.13 mi (1,010.88 km) |
| Orthez to Olbernhau | 826.23 mi (1,329.69 km) |
| Orthez to Olching | 665.60 mi (1,071.18 km) |
| Orthez to Oldenburg | 783.20 mi (1,260.43 km) |
| Orthez to Oldenburg in Holstein | 913.04 mi (1,469.40 km) |
| Orthez to Olfen | 682.84 mi (1,098.93 km) |
| Orthez to Olpe | 657.41 mi (1,058.00 km) |
| Orthez to Olsberg | 693.32 mi (1,115.78 km) |
| Orthez to Oranienburg | 906.57 mi (1,458.98 km) |
| Orthez to Ortenberg | 662.38 mi (1,066.01 km) |
| Orthez to Oschatz | 841.79 mi (1,354.73 km) |
