| Ronda to Oerlinghausen | 1,249.97 mi (2,011.63 km) |
| Ronda to Oestrich-Winkel | 1,126.43 mi (1,812.82 km) |
| Ronda to Offenburg | 1,046.02 mi (1,683.40 km) |
| Ronda to Oftersheim | 1,111.59 mi (1,788.93 km) |
| Ronda to Ohrdruf | 1,250.15 mi (2,011.92 km) |
| Ronda to Ohringen | 1,132.23 mi (1,822.15 km) |
| Ronda to Olbernhau | 1,326.91 mi (2,135.46 km) |
| Ronda to Olching | 1,149.94 mi (1,850.64 km) |
| Ronda to Oldenburg | 1,304.02 mi (2,098.61 km) |
| Ronda to Oldenburg in Holstein | 1,433.38 mi (2,306.80 km) |
| Ronda to Olfen | 1,203.30 mi (1,936.52 km) |
| Ronda to Olpe | 1,176.18 mi (1,892.88 km) |
| Ronda to Olsberg | 1,211.72 mi (1,950.08 km) |
| Ronda to Oranienburg | 1,419.73 mi (2,284.84 km) |
| Ronda to Ortenberg | 1,175.76 mi (1,892.20 km) |
