| Highland Springs to Olivares | 3,800.65 mi (6,116.56 km) |
| Highland Springs to Olivenza | 3,718.72 mi (5,984.71 km) |
| Highland Springs to Olot | 4,085.39 mi (6,574.79 km) |
| Highland Springs to Onate | 3,832.93 mi (6,168.51 km) |
| Highland Springs to Onda | 4,018.77 mi (6,467.59 km) |
| Highland Springs to Onteniente | 4,035.19 mi (6,494.01 km) |
| Highland Springs to Orihuela | 4,040.22 mi (6,502.10 km) |
| Highland Springs to Osuna | 3,858.53 mi (6,209.70 km) |
| Highland Springs to Ourense | 3,590.94 mi (5,779.06 km) |
| Highland Springs to Oviedo | 3,663.46 mi (5,895.77 km) |
| Highland Springs to Paiporta | 4,026.74 mi (6,480.41 km) |
| Highland Springs to Pajara | 3,652.65 mi (5,878.37 km) |
| Highland Springs to Palafolls | 4,112.47 mi (6,618.38 km) |
| Highland Springs to Palafrugell | 4,124.46 mi (6,637.67 km) |
| Highland Springs to Palamos | 4,124.96 mi (6,638.48 km) |
