| Wilhelmshaven to Oria | 1,003.83 mi (1,615.50 km) |
| Wilhelmshaven to Oristano | 941.52 mi (1,515.23 km) |
| Wilhelmshaven to Orta Nova | 913.45 mi (1,470.06 km) |
| Wilhelmshaven to Orte | 789.57 mi (1,270.69 km) |
| Wilhelmshaven to Ortona | 824.69 mi (1,327.22 km) |
| Wilhelmshaven to Orvieto | 769.10 mi (1,237.75 km) |
| Wilhelmshaven to Orzinuovi | 567.55 mi (913.38 km) |
| Wilhelmshaven to Osimo | 735.90 mi (1,184.32 km) |
| Wilhelmshaven to Ospitaletto | 557.86 mi (897.79 km) |
| Wilhelmshaven to Ostuni | 987.98 mi (1,590.00 km) |
| Wilhelmshaven to Ottaviano | 924.77 mi (1,488.28 km) |
| Wilhelmshaven to Ovada | 614.68 mi (989.23 km) |
| Wilhelmshaven to Ozieri | 895.30 mi (1,440.85 km) |
| Wilhelmshaven to Paceco | 1,094.69 mi (1,761.74 km) |
| Wilhelmshaven to Pachino | 1,209.18 mi (1,945.99 km) |
