| Calafat to Opwijk | 996.62 mi (1,603.91 km) |
| Calafat to Ostend | 1,054.23 mi (1,696.62 km) |
| Calafat to Oud-Heverlee | 973.64 mi (1,566.92 km) |
| Calafat to Oud-Turnhout | 974.12 mi (1,567.69 km) |
| Calafat to Oudenaarde | 1,017.48 mi (1,637.47 km) |
| Calafat to Oudenburg | 1,049.94 mi (1,689.71 km) |
| Calafat to Oupeye | 930.93 mi (1,498.19 km) |
| Calafat to Overijse | 977.77 mi (1,573.57 km) |
| Calafat to Overpelt | 954.20 mi (1,535.64 km) |
| Calafat to Paal | 958.83 mi (1,543.09 km) |
| Calafat to Peer | 950.34 mi (1,529.42 km) |
| Calafat to Pepinster | 920.09 mi (1,480.75 km) |
| Calafat to Peruwelz | 1,010.43 mi (1,626.12 km) |
| Calafat to Perwez | 962.27 mi (1,548.62 km) |
| Calafat to Philippeville | 962.99 mi (1,549.78 km) |
