| Front Royal to Olivares | 3,806.01 mi (6,125.18 km) |
| Front Royal to Olivenza | 3,722.14 mi (5,990.21 km) |
| Front Royal to Olot | 4,075.11 mi (6,558.26 km) |
| Front Royal to Onate | 3,824.18 mi (6,154.43 km) |
| Front Royal to Onda | 4,014.75 mi (6,461.11 km) |
| Front Royal to Onteniente | 4,033.64 mi (6,491.52 km) |
| Front Royal to Orihuela | 4,040.35 mi (6,502.32 km) |
| Front Royal to Osuna | 3,863.47 mi (6,217.66 km) |
| Front Royal to Ourense | 3,587.03 mi (5,772.77 km) |
| Front Royal to Oviedo | 3,656.11 mi (5,883.95 km) |
| Front Royal to Paiporta | 4,023.87 mi (6,475.79 km) |
| Front Royal to Pajara | 3,682.84 mi (5,926.96 km) |
| Front Royal to Palafolls | 4,103.00 mi (6,603.15 km) |
| Front Royal to Palafrugell | 4,114.23 mi (6,621.21 km) |
| Front Royal to Palamos | 4,114.90 mi (6,622.29 km) |
