| Keerbergen to Olivenza | 1,024.18 mi (1,648.27 km) |
| Keerbergen to Olot | 617.82 mi (994.29 km) |
| Keerbergen to Onate | 642.32 mi (1,033.72 km) |
| Keerbergen to Onda | 798.38 mi (1,284.87 km) |
| Keerbergen to Onteniente | 879.21 mi (1,414.95 km) |
| Keerbergen to Orihuela | 933.14 mi (1,501.74 km) |
| Keerbergen to Osuna | 1,064.70 mi (1,713.46 km) |
| Keerbergen to Ourense | 840.14 mi (1,352.07 km) |
| Keerbergen to Oviedo | 720.37 mi (1,159.32 km) |
| Keerbergen to Paiporta | 836.18 mi (1,345.69 km) |
| Keerbergen to Pajara | 1,843.46 mi (2,966.77 km) |
| Keerbergen to Palafolls | 651.06 mi (1,047.78 km) |
| Keerbergen to Palafrugell | 631.60 mi (1,016.47 km) |
| Keerbergen to Palamos | 636.70 mi (1,024.67 km) |
| Keerbergen to Palencia | 757.31 mi (1,218.78 km) |
