| West Falls Church to Olivares | 3,758.23 mi (6,048.28 km) |
| West Falls Church to Olivenza | 3,674.81 mi (5,914.03 km) |
| West Falls Church to Olot | 4,031.52 mi (6,488.11 km) |
| West Falls Church to Onate | 3,780.12 mi (6,083.51 km) |
| West Falls Church to Onda | 3,969.36 mi (6,388.07 km) |
| West Falls Church to Onteniente | 3,987.59 mi (6,417.41 km) |
| West Falls Church to Orihuela | 3,993.87 mi (6,427.51 km) |
| West Falls Church to Osuna | 3,815.79 mi (6,140.92 km) |
| West Falls Church to Ourense | 3,541.57 mi (5,699.61 km) |
| West Falls Church to Oviedo | 3,611.62 mi (5,812.34 km) |
| West Falls Church to Paiporta | 3,978.17 mi (6,402.25 km) |
| West Falls Church to Pajara | 3,630.58 mi (5,842.86 km) |
| West Falls Church to Palafolls | 4,059.18 mi (6,532.61 km) |
| West Falls Church to Palafrugell | 4,070.63 mi (6,551.05 km) |
| West Falls Church to Palamos | 4,071.25 mi (6,552.04 km) |
