| Racine to Oerlinghausen | 4,221.29 mi (6,793.51 km) |
| Racine to Oestrich-Winkel | 4,272.70 mi (6,876.25 km) |
| Racine to Offenburg | 4,329.96 mi (6,968.39 km) |
| Racine to Oftersheim | 4,318.81 mi (6,950.45 km) |
| Racine to Ohrdruf | 4,339.21 mi (6,983.29 km) |
| Racine to Ohringen | 4,359.38 mi (7,015.74 km) |
| Racine to Olbernhau | 4,437.70 mi (7,141.79 km) |
| Racine to Olching | 4,467.00 mi (7,188.94 km) |
| Racine to Oldenburg | 4,160.94 mi (6,696.38 km) |
| Racine to Oldenburg in Holstein | 4,208.43 mi (6,772.82 km) |
| Racine to Olfen | 4,184.89 mi (6,734.94 km) |
| Racine to Olpe | 4,227.60 mi (6,803.66 km) |
| Racine to Olsberg | 4,238.32 mi (6,820.92 km) |
| Racine to Oranienburg | 4,348.79 mi (6,998.70 km) |
| Racine to Ortenberg | 4,297.47 mi (6,916.12 km) |
