| Friesoythe to Oria | 978.98 mi (1,575.52 km) |
| Friesoythe to Oristano | 906.80 mi (1,459.36 km) |
| Friesoythe to Orta Nova | 886.65 mi (1,426.92 km) |
| Friesoythe to Orte | 758.98 mi (1,221.45 km) |
| Friesoythe to Ortona | 796.77 mi (1,282.28 km) |
| Friesoythe to Orvieto | 738.26 mi (1,188.11 km) |
| Friesoythe to Orzinuovi | 534.73 mi (860.57 km) |
| Friesoythe to Osimo | 707.41 mi (1,138.46 km) |
| Friesoythe to Ospitaletto | 525.30 mi (845.39 km) |
| Friesoythe to Ostuni | 963.25 mi (1,550.20 km) |
| Friesoythe to Ottaviano | 896.07 mi (1,442.09 km) |
| Friesoythe to Ovada | 580.20 mi (933.74 km) |
| Friesoythe to Ozieri | 860.90 mi (1,385.48 km) |
| Friesoythe to Paceco | 1,062.94 mi (1,710.64 km) |
| Friesoythe to Pachino | 1,179.51 mi (1,898.24 km) |
