| Darton to Olivares | 1,138.67 mi (1,832.52 km) |
| Darton to Olivenza | 1,062.58 mi (1,710.06 km) |
| Darton to Olot | 809.26 mi (1,302.37 km) |
| Darton to Onate | 730.17 mi (1,175.09 km) |
| Darton to Onda | 943.10 mi (1,517.77 km) |
| Darton to Onteniente | 1,020.95 mi (1,643.06 km) |
| Darton to Orihuela | 1,071.27 mi (1,724.04 km) |
| Darton to Osuna | 1,142.60 mi (1,838.84 km) |
| Darton to Ourense | 829.76 mi (1,335.37 km) |
| Darton to Oviedo | 733.23 mi (1,180.02 km) |
| Darton to Paiporta | 979.57 mi (1,576.47 km) |
| Darton to Pajara | 1,856.40 mi (2,987.59 km) |
| Darton to Palafolls | 846.72 mi (1,362.66 km) |
| Darton to Palafrugell | 834.68 mi (1,343.28 km) |
| Darton to Palamos | 839.08 mi (1,350.38 km) |
