| Northport to Oerlinghausen | 4,693.54 mi (7,553.52 km) |
| Northport to Oestrich-Winkel | 4,727.92 mi (7,608.86 km) |
| Northport to Offenburg | 4,772.92 mi (7,681.27 km) |
| Northport to Oftersheim | 4,770.86 mi (7,677.96 km) |
| Northport to Ohrdruf | 4,808.67 mi (7,738.81 km) |
| Northport to Ohringen | 4,812.91 mi (7,745.62 km) |
| Northport to Olbernhau | 4,913.58 mi (7,907.64 km) |
| Northport to Olching | 4,918.67 mi (7,915.84 km) |
| Northport to Oldenburg | 4,640.93 mi (7,468.86 km) |
| Northport to Oldenburg in Holstein | 4,703.57 mi (7,569.66 km) |
| Northport to Olfen | 4,651.77 mi (7,486.30 km) |
| Northport to Olpe | 4,690.26 mi (7,548.25 km) |
| Northport to Olsberg | 4,705.36 mi (7,572.55 km) |
| Northport to Oranienburg | 4,839.06 mi (7,787.71 km) |
| Northport to Ortenberg | 4,758.53 mi (7,658.11 km) |
