| Focsani to Nuth | 1,038.47 mi (1,671.25 km) |
| Focsani to Oegstgeest | 1,117.86 mi (1,799.01 km) |
| Focsani to Oirschot | 1,071.94 mi (1,725.12 km) |
| Focsani to Oisterwijk | 1,077.46 mi (1,734.00 km) |
| Focsani to Oldebroek | 1,064.75 mi (1,713.55 km) |
| Focsani to Oldenzaal | 1,020.46 mi (1,642.27 km) |
| Focsani to Ommen | 1,045.49 mi (1,682.56 km) |
| Focsani to Oosterend | 1,070.32 mi (1,722.51 km) |
| Focsani to Oosterhout | 1,092.73 mi (1,758.58 km) |
| Focsani to Oosterwolde | 1,061.20 mi (1,707.84 km) |
| Focsani to Oostzaan | 1,105.43 mi (1,779.02 km) |
| Focsani to Opmeer | 1,107.97 mi (1,783.10 km) |
| Focsani to Oss | 1,067.36 mi (1,717.75 km) |
| Focsani to Oud-Beijerland | 1,114.52 mi (1,793.64 km) |
| Focsani to Oudenbosch | 1,105.82 mi (1,779.65 km) |
