| Babadag to Oerlinghausen | 1,037.06 mi (1,668.98 km) |
| Babadag to Oestrich-Winkel | 1,027.18 mi (1,653.08 km) |
| Babadag to Offenburg | 1,013.22 mi (1,630.62 km) |
| Babadag to Oftersheim | 993.03 mi (1,598.13 km) |
| Babadag to Ohrdruf | 926.67 mi (1,491.33 km) |
| Babadag to Ohringen | 950.31 mi (1,529.38 km) |
| Babadag to Olbernhau | 816.65 mi (1,314.28 km) |
| Babadag to Olching | 856.75 mi (1,378.81 km) |
| Babadag to Oldenburg | 1,084.90 mi (1,745.98 km) |
| Babadag to Oldenburg in Holstein | 1,025.27 mi (1,650.02 km) |
| Babadag to Olfen | 1,083.40 mi (1,743.56 km) |
| Babadag to Olpe | 1,051.08 mi (1,691.55 km) |
| Babadag to Olsberg | 1,030.69 mi (1,658.73 km) |
| Babadag to Oranienburg | 886.85 mi (1,427.25 km) |
| Babadag to Ortenberg | 987.48 mi (1,589.20 km) |
