| North Aurora to Oerlinghausen | 4,285.66 mi (6,897.11 km) |
| North Aurora to Oestrich-Winkel | 4,336.11 mi (6,978.30 km) |
| North Aurora to Offenburg | 4,392.66 mi (7,069.30 km) |
| North Aurora to Oftersheim | 4,382.05 mi (7,052.23 km) |
| North Aurora to Ohrdruf | 4,403.48 mi (7,086.71 km) |
| North Aurora to Ohringen | 4,422.73 mi (7,117.70 km) |
| North Aurora to Olbernhau | 4,502.36 mi (7,245.85 km) |
| North Aurora to Olching | 4,530.29 mi (7,290.80 km) |
| North Aurora to Oldenburg | 4,225.72 mi (6,800.63 km) |
| North Aurora to Oldenburg in Holstein | 4,274.04 mi (6,878.40 km) |
| North Aurora to Olfen | 4,248.95 mi (6,838.02 km) |
| North Aurora to Olpe | 4,291.43 mi (6,906.39 km) |
| North Aurora to Olsberg | 4,302.41 mi (6,924.06 km) |
| North Aurora to Oranienburg | 4,414.19 mi (7,103.95 km) |
| North Aurora to Ortenberg | 4,361.24 mi (7,018.74 km) |
