| Monteriggioni to Oerlinghausen | 603.57 mi (971.35 km) |
| Monteriggioni to Oestrich-Winkel | 480.70 mi (773.60 km) |
| Monteriggioni to Offenburg | 383.90 mi (617.82 km) |
| Monteriggioni to Oftersheim | 431.11 mi (693.80 km) |
| Monteriggioni to Ohrdruf | 513.73 mi (826.77 km) |
| Monteriggioni to Ohringen | 409.00 mi (658.23 km) |
| Monteriggioni to Olbernhau | 511.82 mi (823.69 km) |
| Monteriggioni to Olching | 331.68 mi (533.79 km) |
| Monteriggioni to Oldenburg | 687.09 mi (1,105.77 km) |
| Monteriggioni to Oldenburg in Holstein | 753.27 mi (1,212.27 km) |
| Monteriggioni to Olfen | 601.57 mi (968.13 km) |
| Monteriggioni to Olpe | 549.55 mi (884.41 km) |
| Monteriggioni to Olsberg | 563.88 mi (907.47 km) |
| Monteriggioni to Oranienburg | 652.95 mi (1,050.82 km) |
| Monteriggioni to Ortenberg | 491.26 mi (790.61 km) |
