| Marsa to Oegstgeest | 1,228.74 mi (1,977.46 km) |
| Marsa to Oirschot | 1,170.53 mi (1,883.79 km) |
| Marsa to Oisterwijk | 1,177.60 mi (1,895.17 km) |
| Marsa to Oldebroek | 1,219.28 mi (1,962.24 km) |
| Marsa to Oldenzaal | 1,194.23 mi (1,921.92 km) |
| Marsa to Ommen | 1,215.08 mi (1,955.49 km) |
| Marsa to Oosterend | 1,251.77 mi (2,014.53 km) |
| Marsa to Oosterhout | 1,187.95 mi (1,911.82 km) |
| Marsa to Oosterwolde | 1,247.38 mi (2,007.47 km) |
| Marsa to Oostzaan | 1,236.21 mi (1,989.50 km) |
| Marsa to Opmeer | 1,251.57 mi (2,014.21 km) |
| Marsa to Oss | 1,183.05 mi (1,903.93 km) |
| Marsa to Oud-Beijerland | 1,207.67 mi (1,943.56 km) |
| Marsa to Oudenbosch | 1,191.31 mi (1,917.23 km) |
| Marsa to Oudewater | 1,210.75 mi (1,948.52 km) |
