| Windsor to Olivares | 1,008.58 mi (1,623.15 km) |
| Windsor to Olivenza | 938.02 mi (1,509.61 km) |
| Windsor to Olot | 658.68 mi (1,060.04 km) |
| Windsor to Onate | 589.62 mi (948.90 km) |
| Windsor to Onda | 795.89 mi (1,280.86 km) |
| Windsor to Onteniente | 874.51 mi (1,407.38 km) |
| Windsor to Orihuela | 925.55 mi (1,489.52 km) |
| Windsor to Osuna | 1,008.48 mi (1,623.00 km) |
| Windsor to Ourense | 717.70 mi (1,155.03 km) |
| Windsor to Oviedo | 611.65 mi (984.36 km) |
| Windsor to Paiporta | 832.71 mi (1,340.13 km) |
| Windsor to Pajara | 1,744.20 mi (2,807.01 km) |
| Windsor to Palafolls | 696.14 mi (1,120.32 km) |
| Windsor to Palafrugell | 684.17 mi (1,101.06 km) |
| Windsor to Palamos | 688.56 mi (1,108.13 km) |
