| Oceanside to Oerlinghausen | 5,707.05 mi (9,184.60 km) |
| Oceanside to Oestrich-Winkel | 5,786.23 mi (9,312.04 km) |
| Oceanside to Offenburg | 5,861.21 mi (9,432.71 km) |
| Oceanside to Oftersheim | 5,835.83 mi (9,391.87 km) |
| Oceanside to Ohrdruf | 5,825.16 mi (9,374.68 km) |
| Oceanside to Ohringen | 5,872.42 mi (9,450.75 km) |
| Oceanside to Olbernhau | 5,907.47 mi (9,507.16 km) |
| Oceanside to Olching | 5,979.08 mi (9,622.40 km) |
| Oceanside to Oldenburg | 5,634.79 mi (9,068.32 km) |
| Oceanside to Oldenburg in Holstein | 5,649.78 mi (9,092.45 km) |
| Oceanside to Olfen | 5,681.86 mi (9,144.07 km) |
| Oceanside to Olpe | 5,730.21 mi (9,221.89 km) |
| Oceanside to Olsberg | 5,732.79 mi (9,226.04 km) |
| Oceanside to Oranienburg | 5,793.77 mi (9,324.16 km) |
| Oceanside to Ortenberg | 5,800.10 mi (9,334.37 km) |
