| Herenthout to Olivenza | 1,035.80 mi (1,666.95 km) |
| Herenthout to Olot | 628.87 mi (1,012.07 km) |
| Herenthout to Onate | 654.03 mi (1,052.56 km) |
| Herenthout to Onda | 809.90 mi (1,303.41 km) |
| Herenthout to Onteniente | 890.72 mi (1,433.48 km) |
| Herenthout to Orihuela | 944.66 mi (1,520.28 km) |
| Herenthout to Osuna | 1,076.43 mi (1,732.35 km) |
| Herenthout to Ourense | 851.22 mi (1,369.90 km) |
| Herenthout to Oviedo | 731.61 mi (1,177.41 km) |
| Herenthout to Paiporta | 847.69 mi (1,364.23 km) |
| Herenthout to Pajara | 1,855.05 mi (2,985.42 km) |
| Herenthout to Palafolls | 661.99 mi (1,065.38 km) |
| Herenthout to Palafrugell | 642.41 mi (1,033.85 km) |
| Herenthout to Palamos | 647.52 mi (1,042.08 km) |
| Herenthout to Palencia | 768.92 mi (1,237.46 km) |
