| Valongo to Oerlinghausen | 1,099.41 mi (1,769.33 km) |
| Valongo to Oestrich-Winkel | 1,000.04 mi (1,609.41 km) |
| Valongo to Offenburg | 946.63 mi (1,523.45 km) |
| Valongo to Oftersheim | 1,001.31 mi (1,611.46 km) |
| Valongo to Ohrdruf | 1,132.86 mi (1,823.16 km) |
| Valongo to Ohringen | 1,032.83 mi (1,662.18 km) |
| Valongo to Olbernhau | 1,230.03 mi (1,979.54 km) |
| Valongo to Olching | 1,083.11 mi (1,743.10 km) |
| Valongo to Oldenburg | 1,134.46 mi (1,825.74 km) |
| Valongo to Oldenburg in Holstein | 1,269.55 mi (2,043.14 km) |
| Valongo to Olfen | 1,045.22 mi (1,682.12 km) |
| Valongo to Olpe | 1,032.19 mi (1,661.15 km) |
| Valongo to Olsberg | 1,068.44 mi (1,719.49 km) |
| Valongo to Oranienburg | 1,291.09 mi (2,077.81 km) |
| Valongo to Ortenberg | 1,052.74 mi (1,694.22 km) |
