| Sicklerville to Oerlinghausen | 3,884.84 mi (6,252.05 km) |
| Sicklerville to Oestrich-Winkel | 3,912.59 mi (6,296.70 km) |
| Sicklerville to Offenburg | 3,953.61 mi (6,362.72 km) |
| Sicklerville to Oftersheim | 3,954.32 mi (6,363.86 km) |
| Sicklerville to Ohrdruf | 3,998.29 mi (6,434.63 km) |
| Sicklerville to Ohringen | 3,996.69 mi (6,432.04 km) |
| Sicklerville to Olbernhau | 4,105.39 mi (6,606.99 km) |
| Sicklerville to Olching | 4,101.48 mi (6,600.69 km) |
| Sicklerville to Oldenburg | 3,835.96 mi (6,173.37 km) |
| Sicklerville to Oldenburg in Holstein | 3,905.91 mi (6,285.95 km) |
| Sicklerville to Olfen | 3,841.06 mi (6,181.59 km) |
| Sicklerville to Olpe | 3,877.75 mi (6,240.64 km) |
| Sicklerville to Olsberg | 3,894.48 mi (6,267.56 km) |
| Sicklerville to Oranienburg | 4,038.03 mi (6,498.58 km) |
| Sicklerville to Ortenberg | 3,945.13 mi (6,349.07 km) |
