| Elvas to Opole | 1,464.75 mi (2,357.29 km) |
| Elvas to Orzesze | 1,483.97 mi (2,388.22 km) |
| Elvas to Osowa | 1,606.21 mi (2,584.94 km) |
| Elvas to Ostroda | 1,634.11 mi (2,629.85 km) |
| Elvas to Ostroleka | 1,674.16 mi (2,694.30 km) |
| Elvas to Ostrow Mazowiecka | 1,679.43 mi (2,702.78 km) |
| Elvas to Ostrow Wielkopolski | 1,489.23 mi (2,396.68 km) |
| Elvas to Ostrowiec Swietokrzyski | 1,611.97 mi (2,594.22 km) |
| Elvas to Ostrzeszow | 1,486.64 mi (2,392.51 km) |
| Elvas to Oswiecim | 1,500.63 mi (2,415.04 km) |
| Elvas to Otwock | 1,636.43 mi (2,633.59 km) |
| Elvas to Ozarow Mazowiecki | 1,620.96 mi (2,608.69 km) |
| Elvas to Ozimek | 1,476.13 mi (2,375.61 km) |
| Elvas to Ozorkow | 1,555.18 mi (2,502.82 km) |
| Elvas to Pabianice | 1,549.92 mi (2,494.35 km) |
