| Westerstede to Oria | 991.24 mi (1,595.24 km) |
| Westerstede to Oristano | 922.54 mi (1,484.69 km) |
| Westerstede to Orta Nova | 899.65 mi (1,447.84 km) |
| Westerstede to Orte | 773.37 mi (1,244.61 km) |
| Westerstede to Ortona | 810.19 mi (1,303.87 km) |
| Westerstede to Orvieto | 752.73 mi (1,211.41 km) |
| Westerstede to Orzinuovi | 549.87 mi (884.93 km) |
| Westerstede to Osimo | 721.02 mi (1,160.38 km) |
| Westerstede to Ospitaletto | 540.36 mi (869.62 km) |
| Westerstede to Ostuni | 975.46 mi (1,569.85 km) |
| Westerstede to Ottaviano | 909.78 mi (1,464.16 km) |
| Westerstede to Ovada | 595.86 mi (958.95 km) |
| Westerstede to Ozieri | 876.55 mi (1,410.67 km) |
| Westerstede to Paceco | 1,077.75 mi (1,734.48 km) |
| Westerstede to Pachino | 1,193.59 mi (1,920.90 km) |
