| Van Buren to Olivares | 4,706.55 mi (7,574.46 km) |
| Van Buren to Olivenza | 4,619.51 mi (7,434.38 km) |
| Van Buren to Olot | 4,939.23 mi (7,948.92 km) |
| Van Buren to Onate | 4,693.82 mi (7,553.97 km) |
| Van Buren to Onda | 4,895.51 mi (7,878.56 km) |
| Van Buren to Onteniente | 4,920.04 mi (7,918.03 km) |
| Van Buren to Orihuela | 4,930.36 mi (7,934.65 km) |
| Van Buren to Osuna | 4,763.17 mi (7,665.58 km) |
| Van Buren to Ourense | 4,469.84 mi (7,193.52 km) |
| Van Buren to Oviedo | 4,530.29 mi (7,290.79 km) |
| Van Buren to Paiporta | 4,907.31 mi (7,897.56 km) |
| Van Buren to Pajara | 4,603.20 mi (7,408.14 km) |
| Van Buren to Palafolls | 4,969.26 mi (7,997.25 km) |
| Van Buren to Palafrugell | 4,978.27 mi (8,011.75 km) |
| Van Buren to Palamos | 4,979.39 mi (8,013.56 km) |
