| West Monroe to Olivares | 4,704.01 mi (7,570.37 km) |
| West Monroe to Olivenza | 4,620.60 mi (7,436.14 km) |
| West Monroe to Olot | 4,969.14 mi (7,997.05 km) |
| West Monroe to Onate | 4,719.52 mi (7,595.34 km) |
| West Monroe to Onda | 4,912.50 mi (7,905.90 km) |
| West Monroe to Onteniente | 4,932.08 mi (7,937.41 km) |
| West Monroe to Orihuela | 4,939.00 mi (7,948.56 km) |
| West Monroe to Osuna | 4,761.60 mi (7,663.05 km) |
| West Monroe to Ourense | 4,484.93 mi (7,217.80 km) |
| West Monroe to Oviedo | 4,552.43 mi (7,326.43 km) |
| West Monroe to Paiporta | 4,922.00 mi (7,921.19 km) |
| West Monroe to Pajara | 4,550.89 mi (7,323.96 km) |
| West Monroe to Palafolls | 4,997.65 mi (8,042.94 km) |
| West Monroe to Palafrugell | 5,008.26 mi (8,060.02 km) |
| West Monroe to Palamos | 5,009.06 mi (8,061.30 km) |
