| Redondela to Oerlinghausen | 1,047.89 mi (1,686.42 km) |
| Redondela to Oestrich-Winkel | 954.31 mi (1,535.81 km) |
| Redondela to Offenburg | 907.15 mi (1,459.92 km) |
| Redondela to Oftersheim | 958.83 mi (1,543.09 km) |
| Redondela to Ohrdruf | 1,087.51 mi (1,750.18 km) |
| Redondela to Ohringen | 992.17 mi (1,596.75 km) |
| Redondela to Olbernhau | 1,187.81 mi (1,911.60 km) |
| Redondela to Olching | 1,048.51 mi (1,687.41 km) |
| Redondela to Oldenburg | 1,079.07 mi (1,736.59 km) |
| Redondela to Oldenburg in Holstein | 1,214.29 mi (1,954.22 km) |
| Redondela to Olfen | 992.75 mi (1,597.68 km) |
| Redondela to Olpe | 982.59 mi (1,581.32 km) |
| Redondela to Olsberg | 1,018.61 mi (1,639.30 km) |
| Redondela to Oranienburg | 1,242.23 mi (1,999.18 km) |
| Redondela to Ortenberg | 1,007.08 mi (1,620.73 km) |
