| Huy to Olivenza | 1,015.16 mi (1,633.74 km) |
| Huy to Olot | 590.43 mi (950.21 km) |
| Huy to Onate | 630.44 mi (1,014.60 km) |
| Huy to Onda | 776.18 mi (1,249.13 km) |
| Huy to Onteniente | 856.79 mi (1,378.86 km) |
| Huy to Orihuela | 910.85 mi (1,465.87 km) |
| Huy to Osuna | 1,049.95 mi (1,689.72 km) |
| Huy to Ourense | 839.49 mi (1,351.03 km) |
| Huy to Oviedo | 718.07 mi (1,155.62 km) |
| Huy to Paiporta | 813.85 mi (1,309.76 km) |
| Huy to Pajara | 1,834.52 mi (2,952.38 km) |
| Huy to Palafolls | 622.67 mi (1,002.10 km) |
| Huy to Palafrugell | 602.28 mi (969.27 km) |
| Huy to Palamos | 607.43 mi (977.57 km) |
| Huy to Palencia | 748.70 mi (1,204.91 km) |
