| Moncao to Oerlinghausen | 1,053.45 mi (1,695.37 km) |
| Moncao to Oestrich-Winkel | 958.29 mi (1,542.22 km) |
| Moncao to Offenburg | 909.52 mi (1,463.73 km) |
| Moncao to Oftersheim | 961.98 mi (1,548.16 km) |
| Moncao to Ohrdruf | 1,091.44 mi (1,756.50 km) |
| Moncao to Ohringen | 994.87 mi (1,601.09 km) |
| Moncao to Olbernhau | 1,190.97 mi (1,916.68 km) |
| Moncao to Olching | 1,049.74 mi (1,689.39 km) |
| Moncao to Oldenburg | 1,085.72 mi (1,747.30 km) |
| Moncao to Oldenburg in Holstein | 1,220.94 mi (1,964.91 km) |
| Moncao to Olfen | 998.56 mi (1,607.03 km) |
| Moncao to Olpe | 987.61 mi (1,589.40 km) |
| Moncao to Olsberg | 1,023.71 mi (1,647.50 km) |
| Moncao to Oranienburg | 1,247.12 mi (2,007.05 km) |
| Moncao to Ortenberg | 1,011.06 mi (1,627.14 km) |
