| Monte Compatri to Oerlinghausen | 727.43 mi (1,170.69 km) |
| Monte Compatri to Oestrich-Winkel | 609.80 mi (981.37 km) |
| Monte Compatri to Offenburg | 515.96 mi (830.36 km) |
| Monte Compatri to Oftersheim | 559.54 mi (900.49 km) |
| Monte Compatri to Ohrdruf | 630.45 mi (1,014.62 km) |
| Monte Compatri to Ohringen | 534.11 mi (859.57 km) |
| Monte Compatri to Olbernhau | 612.73 mi (986.09 km) |
| Monte Compatri to Olching | 447.03 mi (719.43 km) |
| Monte Compatri to Oldenburg | 810.80 mi (1,304.85 km) |
| Monte Compatri to Oldenburg in Holstein | 867.26 mi (1,395.73 km) |
| Monte Compatri to Olfen | 729.51 mi (1,174.03 km) |
| Monte Compatri to Olpe | 677.40 mi (1,090.16 km) |
| Monte Compatri to Olsberg | 689.23 mi (1,109.22 km) |
| Monte Compatri to Oranienburg | 756.67 mi (1,217.75 km) |
| Monte Compatri to Ortenberg | 616.18 mi (991.65 km) |
