| Millau to Oestrich-Winkel | 468.74 mi (754.36 km) |
| Millau to Offenburg | 380.40 mi (612.19 km) |
| Millau to Oftersheim | 447.71 mi (720.51 km) |
| Millau to Ohrdruf | 585.88 mi (942.89 km) |
| Millau to Ohringen | 465.50 mi (749.14 km) |
| Millau to Olbernhau | 659.27 mi (1,060.99 km) |
| Millau to Olching | 485.17 mi (780.80 km) |
| Millau to Oldenburg | 667.10 mi (1,073.60 km) |
| Millau to Oldenburg in Holstein | 786.90 mi (1,266.40 km) |
| Millau to Olfen | 562.61 mi (905.43 km) |
| Millau to Olpe | 526.64 mi (847.54 km) |
| Millau to Olsberg | 560.11 mi (901.40 km) |
| Millau to Oranienburg | 756.51 mi (1,217.48 km) |
| Millau to Ortenberg | 514.95 mi (828.72 km) |
| Millau to Oschatz | 680.77 mi (1,095.60 km) |
