| Sint-Gillis-Waas to Olivenza | 1,022.35 mi (1,645.31 km) |
| Sint-Gillis-Waas to Olot | 628.93 mi (1,012.16 km) |
| Sint-Gillis-Waas to Onate | 642.85 mi (1,034.57 km) |
| Sint-Gillis-Waas to Onda | 805.54 mi (1,296.40 km) |
| Sint-Gillis-Waas to Onteniente | 886.43 mi (1,426.57 km) |
| Sint-Gillis-Waas to Orihuela | 940.21 mi (1,513.13 km) |
| Sint-Gillis-Waas to Osuna | 1,066.54 mi (1,716.43 km) |
| Sint-Gillis-Waas to Ourense | 833.28 mi (1,341.04 km) |
| Sint-Gillis-Waas to Oviedo | 714.71 mi (1,150.21 km) |
| Sint-Gillis-Waas to Paiporta | 843.38 mi (1,357.29 km) |
| Sint-Gillis-Waas to Pajara | 1,841.16 mi (2,963.06 km) |
| Sint-Gillis-Waas to Palafolls | 662.83 mi (1,066.73 km) |
| Sint-Gillis-Waas to Palafrugell | 644.10 mi (1,036.58 km) |
| Sint-Gillis-Waas to Palamos | 649.15 mi (1,044.71 km) |
| Sint-Gillis-Waas to Palencia | 755.54 mi (1,215.92 km) |
