| Sint-Martens-Lennik to Olivenza | 1,000.23 mi (1,609.71 km) |
| Sint-Martens-Lennik to Olot | 600.61 mi (966.59 km) |
| Sint-Martens-Lennik to Onate | 619.12 mi (996.37 km) |
| Sint-Martens-Lennik to Onda | 778.47 mi (1,252.82 km) |
| Sint-Martens-Lennik to Onteniente | 859.34 mi (1,382.98 km) |
| Sint-Martens-Lennik to Orihuela | 913.19 mi (1,469.63 km) |
| Sint-Martens-Lennik to Osuna | 1,042.07 mi (1,677.05 km) |
| Sint-Martens-Lennik to Ourense | 815.10 mi (1,311.78 km) |
| Sint-Martens-Lennik to Oviedo | 695.50 mi (1,119.30 km) |
| Sint-Martens-Lennik to Paiporta | 816.29 mi (1,313.70 km) |
| Sint-Martens-Lennik to Pajara | 1,819.40 mi (2,928.05 km) |
| Sint-Martens-Lennik to Palafolls | 634.38 mi (1,020.94 km) |
| Sint-Martens-Lennik to Palafrugell | 615.51 mi (990.57 km) |
| Sint-Martens-Lennik to Palamos | 620.57 mi (998.72 km) |
| Sint-Martens-Lennik to Palencia | 733.35 mi (1,180.21 km) |
