| Mondolfo to Oerlinghausen | 603.49 mi (971.22 km) |
| Mondolfo to Oestrich-Winkel | 494.20 mi (795.33 km) |
| Mondolfo to Offenburg | 409.01 mi (658.24 km) |
| Mondolfo to Oftersheim | 443.46 mi (713.68 km) |
| Mondolfo to Ohrdruf | 501.40 mi (806.93 km) |
| Mondolfo to Ohringen | 413.57 mi (665.57 km) |
| Mondolfo to Olbernhau | 478.02 mi (769.30 km) |
| Mondolfo to Olching | 319.14 mi (513.61 km) |
| Mondolfo to Oldenburg | 686.19 mi (1,104.32 km) |
| Mondolfo to Oldenburg in Holstein | 735.72 mi (1,184.03 km) |
| Mondolfo to Olfen | 610.74 mi (982.90 km) |
| Mondolfo to Olpe | 558.93 mi (899.51 km) |
| Mondolfo to Olsberg | 567.24 mi (912.89 km) |
| Mondolfo to Oranienburg | 622.18 mi (1,001.29 km) |
| Mondolfo to Ortenberg | 494.35 mi (795.58 km) |
