| Wilmington Island to Oerlinghausen | 4,499.46 mi (7,241.17 km) |
| Wilmington Island to Oestrich-Winkel | 4,521.11 mi (7,276.02 km) |
| Wilmington Island to Offenburg | 4,557.16 mi (7,334.03 km) |
| Wilmington Island to Oftersheim | 4,561.38 mi (7,340.84 km) |
| Wilmington Island to Ohrdruf | 4,611.33 mi (7,421.22 km) |
| Wilmington Island to Ohringen | 4,604.03 mi (7,409.47 km) |
| Wilmington Island to Olbernhau | 4,719.98 mi (7,596.07 km) |
| Wilmington Island to Olching | 4,707.44 mi (7,575.90 km) |
| Wilmington Island to Oldenburg | 4,453.28 mi (7,166.86 km) |
| Wilmington Island to Oldenburg in Holstein | 4,527.19 mi (7,285.81 km) |
| Wilmington Island to Olfen | 4,454.14 mi (7,168.25 km) |
| Wilmington Island to Olpe | 4,489.17 mi (7,224.61 km) |
| Wilmington Island to Olsberg | 4,507.30 mi (7,253.80 km) |
| Wilmington Island to Oranienburg | 4,657.37 mi (7,495.31 km) |
| Wilmington Island to Ortenberg | 4,555.55 mi (7,331.46 km) |
