| Socastee to Oerlinghausen | 4,336.50 mi (6,978.93 km) |
| Socastee to Oestrich-Winkel | 4,358.15 mi (7,013.76 km) |
| Socastee to Offenburg | 4,394.34 mi (7,072.01 km) |
| Socastee to Oftersheim | 4,398.46 mi (7,078.63 km) |
| Socastee to Ohrdruf | 4,448.35 mi (7,158.93 km) |
| Socastee to Ohringen | 4,441.10 mi (7,147.26 km) |
| Socastee to Olbernhau | 4,557.02 mi (7,333.81 km) |
| Socastee to Olching | 4,544.55 mi (7,313.75 km) |
| Socastee to Oldenburg | 4,290.42 mi (6,904.77 km) |
| Socastee to Oldenburg in Holstein | 4,364.63 mi (7,024.19 km) |
| Socastee to Olfen | 4,291.17 mi (6,905.97 km) |
| Socastee to Olpe | 4,326.18 mi (6,962.31 km) |
| Socastee to Olsberg | 4,344.32 mi (6,991.51 km) |
| Socastee to Oranienburg | 4,494.63 mi (7,233.41 km) |
| Socastee to Ortenberg | 4,392.57 mi (7,069.16 km) |
