| Elvas to Orbetello | 991.50 mi (1,595.67 km) |
| Elvas to Oria | 1,318.28 mi (2,121.56 km) |
| Elvas to Oristano | 842.58 mi (1,356.00 km) |
| Elvas to Orta Nova | 1,216.59 mi (1,957.92 km) |
| Elvas to Orte | 1,050.99 mi (1,691.41 km) |
| Elvas to Ortona | 1,152.39 mi (1,854.60 km) |
| Elvas to Orvieto | 1,039.48 mi (1,672.88 km) |
| Elvas to Orzinuovi | 982.10 mi (1,580.54 km) |
| Elvas to Osimo | 1,116.13 mi (1,796.24 km) |
| Elvas to Ospitaletto | 992.35 mi (1,597.03 km) |
| Elvas to Ostuni | 1,314.87 mi (2,116.07 km) |
| Elvas to Ottaviano | 1,152.26 mi (1,854.39 km) |
| Elvas to Ovada | 904.58 mi (1,455.79 km) |
| Elvas to Ozieri | 865.31 mi (1,392.58 km) |
| Elvas to Paceco | 1,066.02 mi (1,715.60 km) |
