| Friesoythe to Opwijk | 211.11 mi (339.75 km) |
| Friesoythe to Ostend | 243.39 mi (391.71 km) |
| Friesoythe to Oud-Heverlee | 203.27 mi (327.13 km) |
| Friesoythe to Oud-Turnhout | 169.41 mi (272.63 km) |
| Friesoythe to Oudenaarde | 235.31 mi (378.69 km) |
| Friesoythe to Oudenburg | 242.07 mi (389.57 km) |
| Friesoythe to Oupeye | 185.61 mi (298.72 km) |
| Friesoythe to Overijse | 209.70 mi (337.48 km) |
| Friesoythe to Overpelt | 162.05 mi (260.80 km) |
| Friesoythe to Paal | 178.24 mi (286.84 km) |
| Friesoythe to Peer | 165.64 mi (266.57 km) |
| Friesoythe to Pepinster | 190.67 mi (306.85 km) |
| Friesoythe to Peruwelz | 251.61 mi (404.92 km) |
| Friesoythe to Perwez | 210.47 mi (338.71 km) |
| Friesoythe to Philippeville | 241.05 mi (387.94 km) |
