| Federal Heights to Olivares | 5,030.79 mi (8,096.28 km) |
| Federal Heights to Olivenza | 4,936.66 mi (7,944.79 km) |
| Federal Heights to Olot | 5,179.86 mi (8,336.19 km) |
| Federal Heights to Onate | 4,949.60 mi (7,965.62 km) |
| Federal Heights to Onda | 5,169.38 mi (8,319.32 km) |
| Federal Heights to Onteniente | 5,205.68 mi (8,377.73 km) |
| Federal Heights to Orihuela | 5,224.12 mi (8,407.40 km) |
| Federal Heights to Osuna | 5,084.18 mi (8,182.20 km) |
| Federal Heights to Ourense | 4,756.06 mi (7,654.14 km) |
| Federal Heights to Oviedo | 4,798.01 mi (7,721.65 km) |
| Federal Heights to Paiporta | 5,186.69 mi (8,347.17 km) |
| Federal Heights to Pajara | 5,038.80 mi (8,109.16 km) |
| Federal Heights to Palafolls | 5,213.22 mi (8,389.86 km) |
| Federal Heights to Palafrugell | 5,217.98 mi (8,397.53 km) |
| Federal Heights to Palamos | 5,219.91 mi (8,400.63 km) |
