| Senica to Olivenza | 1,395.15 mi (2,245.27 km) |
| Senica to Olot | 847.47 mi (1,363.88 km) |
| Senica to Onate | 1,025.08 mi (1,649.71 km) |
| Senica to Onda | 1,055.35 mi (1,698.42 km) |
| Senica to Onteniente | 1,121.64 mi (1,805.10 km) |
| Senica to Orihuela | 1,170.17 mi (1,883.21 km) |
| Senica to Osuna | 1,375.87 mi (2,214.25 km) |
| Senica to Ourense | 1,290.73 mi (2,077.23 km) |
| Senica to Oviedo | 1,167.39 mi (1,878.74 km) |
| Senica to Paiporta | 1,085.88 mi (1,747.56 km) |
| Senica to Pajara | 2,179.36 mi (3,507.35 km) |
| Senica to Palafolls | 858.81 mi (1,382.12 km) |
| Senica to Palafrugell | 831.50 mi (1,338.18 km) |
| Senica to Palamos | 835.99 mi (1,345.40 km) |
| Senica to Palencia | 1,153.55 mi (1,856.46 km) |
