| Salaspils to Orbetello | 1,152.69 mi (1,855.08 km) |
| Salaspils to Oria | 1,170.24 mi (1,883.32 km) |
| Salaspils to Oristano | 1,369.63 mi (2,204.21 km) |
| Salaspils to Orta Nova | 1,140.22 mi (1,835.01 km) |
| Salaspils to Orte | 1,126.35 mi (1,812.68 km) |
| Salaspils to Ortona | 1,094.86 mi (1,762.00 km) |
| Salaspils to Orvieto | 1,115.84 mi (1,795.78 km) |
| Salaspils to Orzinuovi | 1,004.89 mi (1,617.22 km) |
| Salaspils to Osimo | 1,039.37 mi (1,672.70 km) |
| Salaspils to Ospitaletto | 992.20 mi (1,596.79 km) |
| Salaspils to Ostuni | 1,155.10 mi (1,858.96 km) |
| Salaspils to Ottaviano | 1,191.34 mi (1,917.28 km) |
| Salaspils to Ovada | 1,083.21 mi (1,743.26 km) |
| Salaspils to Ozieri | 1,317.94 mi (2,121.02 km) |
| Salaspils to Paceco | 1,411.85 mi (2,272.16 km) |
