| Riva del Garda to Octeville | 634.34 mi (1,020.88 km) |
| Riva del Garda to Oignies | 480.60 mi (773.46 km) |
| Riva del Garda to Oissel | 512.98 mi (825.57 km) |
| Riva del Garda to Olivet | 444.00 mi (714.55 km) |
| Riva del Garda to Ollioules | 310.88 mi (500.31 km) |
| Riva del Garda to Olonne-sur-Mer | 604.58 mi (972.98 km) |
| Riva del Garda to Oloron-Sainte-Marie | 593.39 mi (954.97 km) |
| Riva del Garda to Onet Village | 415.72 mi (669.04 km) |
| Riva del Garda to Onnaing | 456.43 mi (734.55 km) |
| Riva del Garda to Orange | 318.63 mi (512.78 km) |
| Riva del Garda to Orchies | 472.24 mi (760.00 km) |
| Riva del Garda to Orleans | 444.30 mi (715.04 km) |
| Riva del Garda to Orly | 442.40 mi (711.97 km) |
| Riva del Garda to Ormesson-sur-Marne | 437.50 mi (704.08 km) |
| Riva del Garda to Orsay | 449.79 mi (723.87 km) |
