| Entroncamento to Oerlinghausen | 1,189.74 mi (1,914.70 km) |
| Entroncamento to Oestrich-Winkel | 1,083.36 mi (1,743.50 km) |
| Entroncamento to Offenburg | 1,022.10 mi (1,644.91 km) |
| Entroncamento to Oftersheim | 1,080.36 mi (1,738.68 km) |
| Entroncamento to Ohrdruf | 1,214.97 mi (1,955.31 km) |
| Entroncamento to Ohringen | 1,109.27 mi (1,785.19 km) |
| Entroncamento to Olbernhau | 1,307.49 mi (2,104.20 km) |
| Entroncamento to Olching | 1,151.03 mi (1,852.41 km) |
| Entroncamento to Oldenburg | 1,229.61 mi (1,978.87 km) |
| Entroncamento to Oldenburg in Holstein | 1,364.11 mi (2,195.32 km) |
| Entroncamento to Olfen | 1,137.00 mi (1,829.82 km) |
| Entroncamento to Olpe | 1,120.34 mi (1,803.02 km) |
| Entroncamento to Olsberg | 1,156.71 mi (1,861.55 km) |
| Entroncamento to Oranienburg | 1,377.20 mi (2,216.39 km) |
| Entroncamento to Ortenberg | 1,135.67 mi (1,827.69 km) |
