| Campulung to Opwijk | 1,035.32 mi (1,666.18 km) |
| Campulung to Ostend | 1,092.85 mi (1,758.77 km) |
| Campulung to Oud-Heverlee | 1,012.63 mi (1,629.67 km) |
| Campulung to Oud-Turnhout | 1,008.31 mi (1,622.71 km) |
| Campulung to Oudenaarde | 1,058.12 mi (1,702.88 km) |
| Campulung to Oudenburg | 1,088.77 mi (1,752.21 km) |
| Campulung to Oupeye | 969.17 mi (1,559.73 km) |
| Campulung to Overijse | 1,017.43 mi (1,637.39 km) |
| Campulung to Overpelt | 988.37 mi (1,590.63 km) |
| Campulung to Paal | 995.06 mi (1,601.40 km) |
| Campulung to Peer | 985.17 mi (1,585.48 km) |
| Campulung to Pepinster | 959.28 mi (1,543.81 km) |
| Campulung to Peruwelz | 1,053.88 mi (1,696.06 km) |
| Campulung to Perwez | 1,002.82 mi (1,613.88 km) |
| Campulung to Philippeville | 1,007.69 mi (1,621.72 km) |
