| Castelnau-le-Lez to Oestrich-Winkel | 480.27 mi (772.91 km) |
| Castelnau-le-Lez to Offenburg | 385.52 mi (620.44 km) |
| Castelnau-le-Lez to Oftersheim | 454.25 mi (731.05 km) |
| Castelnau-le-Lez to Ohrdruf | 590.68 mi (950.61 km) |
| Castelnau-le-Lez to Ohringen | 467.52 mi (752.40 km) |
| Castelnau-le-Lez to Olbernhau | 656.48 mi (1,056.50 km) |
| Castelnau-le-Lez to Olching | 475.45 mi (765.16 km) |
| Castelnau-le-Lez to Oldenburg | 685.69 mi (1,103.52 km) |
| Castelnau-le-Lez to Oldenburg in Holstein | 800.98 mi (1,289.05 km) |
| Castelnau-le-Lez to Olfen | 581.10 mi (935.19 km) |
| Castelnau-le-Lez to Olpe | 541.92 mi (872.13 km) |
| Castelnau-le-Lez to Olsberg | 573.95 mi (923.69 km) |
| Castelnau-le-Lez to Oranienburg | 761.32 mi (1,225.23 km) |
| Castelnau-le-Lez to Ortenberg | 523.61 mi (842.67 km) |
| Castelnau-le-Lez to Oschatz | 680.98 mi (1,095.94 km) |
