| Ingenio to Olivenza | 884.84 mi (1,424.02 km) |
| Ingenio to Olot | 1,407.99 mi (2,265.93 km) |
| Ingenio to Onate | 1,271.95 mi (2,047.01 km) |
| Ingenio to Onda | 1,200.06 mi (1,931.31 km) |
| Ingenio to Onteniente | 1,136.97 mi (1,829.77 km) |
| Ingenio to Orihuela | 1,091.97 mi (1,757.35 km) |
| Ingenio to Osuna | 879.65 mi (1,415.66 km) |
| Ingenio to Ourense | 1,082.79 mi (1,742.58 km) |
| Ingenio to Oviedo | 1,192.88 mi (1,919.76 km) |
| Ingenio to Paiporta | 1,170.54 mi (1,883.80 km) |
| Ingenio to Pajara | 86.41 mi (139.07 km) |
| Ingenio to Palafolls | 1,396.84 mi (2,248.00 km) |
| Ingenio to Palafrugell | 1,424.13 mi (2,291.92 km) |
| Ingenio to Palamos | 1,419.76 mi (2,284.88 km) |
| Ingenio to Palencia | 1,150.71 mi (1,851.89 km) |
