| Marsa to Oerlinghausen | 1,147.55 mi (1,846.80 km) |
| Marsa to Oestrich-Winkel | 1,028.22 mi (1,654.76 km) |
| Marsa to Offenburg | 931.21 mi (1,498.64 km) |
| Marsa to Oftersheim | 978.34 mi (1,574.49 km) |
| Marsa to Ohrdruf | 1,049.38 mi (1,688.81 km) |
| Marsa to Ohringen | 954.03 mi (1,535.37 km) |
| Marsa to Olbernhau | 1,023.07 mi (1,646.47 km) |
| Marsa to Olching | 866.28 mi (1,394.14 km) |
| Marsa to Oldenburg | 1,230.91 mi (1,980.96 km) |
| Marsa to Oldenburg in Holstein | 1,284.18 mi (2,066.69 km) |
| Marsa to Olfen | 1,148.68 mi (1,848.62 km) |
| Marsa to Olpe | 1,096.58 mi (1,764.78 km) |
| Marsa to Olsberg | 1,109.20 mi (1,785.09 km) |
| Marsa to Oranienburg | 1,167.29 mi (1,878.57 km) |
| Marsa to Ortenberg | 1,036.18 mi (1,667.58 km) |
