| Momchilgrad to Oegstgeest | 1,225.93 mi (1,972.94 km) |
| Momchilgrad to Oirschot | 1,172.21 mi (1,886.49 km) |
| Momchilgrad to Oisterwijk | 1,178.71 mi (1,896.96 km) |
| Momchilgrad to Oldebroek | 1,182.87 mi (1,903.64 km) |
| Momchilgrad to Oldenzaal | 1,141.20 mi (1,836.58 km) |
| Momchilgrad to Ommen | 1,166.98 mi (1,878.08 km) |
| Momchilgrad to Oosterend | 1,197.70 mi (1,927.51 km) |
| Momchilgrad to Oosterhout | 1,193.65 mi (1,921.00 km) |
| Momchilgrad to Oosterwolde | 1,189.42 mi (1,914.18 km) |
| Momchilgrad to Oostzaan | 1,219.02 mi (1,961.82 km) |
| Momchilgrad to Opmeer | 1,225.92 mi (1,972.93 km) |
| Momchilgrad to Oss | 1,172.89 mi (1,887.59 km) |
| Momchilgrad to Oud-Beijerland | 1,216.54 mi (1,957.83 km) |
| Momchilgrad to Oudenbosch | 1,204.63 mi (1,938.67 km) |
| Momchilgrad to Oudewater | 1,205.51 mi (1,940.08 km) |
