| Loures to Oerlinghausen | 1,247.18 mi (2,007.14 km) |
| Loures to Oestrich-Winkel | 1,140.86 mi (1,836.03 km) |
| Loures to Offenburg | 1,079.28 mi (1,736.94 km) |
| Loures to Oftersheim | 1,137.73 mi (1,830.99 km) |
| Loures to Ohrdruf | 1,272.43 mi (2,047.77 km) |
| Loures to Ohringen | 1,166.48 mi (1,877.27 km) |
| Loures to Olbernhau | 1,364.73 mi (2,196.32 km) |
| Loures to Olching | 1,207.52 mi (1,943.32 km) |
| Loures to Oldenburg | 1,286.77 mi (2,070.85 km) |
| Loures to Oldenburg in Holstein | 1,421.33 mi (2,287.41 km) |
| Loures to Olfen | 1,194.37 mi (1,922.15 km) |
| Loures to Olpe | 1,177.84 mi (1,895.55 km) |
| Loures to Olsberg | 1,214.21 mi (1,954.08 km) |
| Loures to Oranienburg | 1,434.71 mi (2,308.95 km) |
| Loures to Ortenberg | 1,193.16 mi (1,920.20 km) |
