| Sonseca to Orbetello | 810.97 mi (1,305.13 km) |
| Sonseca to Oria | 1,139.19 mi (1,833.35 km) |
| Sonseca to Oristano | 665.33 mi (1,070.74 km) |
| Sonseca to Orta Nova | 1,036.63 mi (1,668.30 km) |
| Sonseca to Orte | 870.45 mi (1,400.85 km) |
| Sonseca to Ortona | 971.86 mi (1,564.05 km) |
| Sonseca to Orvieto | 859.00 mi (1,382.42 km) |
| Sonseca to Orzinuovi | 807.40 mi (1,299.39 km) |
| Sonseca to Osimo | 936.01 mi (1,506.36 km) |
| Sonseca to Ospitaletto | 818.02 mi (1,316.48 km) |
| Sonseca to Ostuni | 1,135.49 mi (1,827.40 km) |
| Sonseca to Ottaviano | 972.84 mi (1,565.64 km) |
| Sonseca to Ovada | 728.63 mi (1,172.62 km) |
| Sonseca to Ozieri | 686.27 mi (1,104.44 km) |
| Sonseca to Paceco | 894.54 mi (1,439.63 km) |
