| Ciro Marina to Oerlinghausen | 959.96 mi (1,544.91 km) |
| Ciro Marina to Oestrich-Winkel | 859.11 mi (1,382.61 km) |
| Ciro Marina to Offenburg | 776.28 mi (1,249.31 km) |
| Ciro Marina to Oftersheim | 808.47 mi (1,301.11 km) |
| Ciro Marina to Ohrdruf | 850.14 mi (1,368.17 km) |
| Ciro Marina to Ohringen | 776.05 mi (1,248.93 km) |
| Ciro Marina to Olbernhau | 801.98 mi (1,290.67 km) |
| Ciro Marina to Olching | 675.00 mi (1,086.31 km) |
| Ciro Marina to Oldenburg | 1,040.76 mi (1,674.95 km) |
| Ciro Marina to Oldenburg in Holstein | 1,071.96 mi (1,725.15 km) |
| Ciro Marina to Olfen | 972.80 mi (1,565.57 km) |
| Ciro Marina to Olpe | 921.60 mi (1,483.18 km) |
| Ciro Marina to Olsberg | 926.58 mi (1,491.19 km) |
| Ciro Marina to Oranienburg | 943.08 mi (1,517.74 km) |
| Ciro Marina to Ortenberg | 854.68 mi (1,375.47 km) |
