| Little Rock to Olivares | 4,635.42 mi (7,459.99 km) |
| Little Rock to Olivenza | 4,549.88 mi (7,322.33 km) |
| Little Rock to Olot | 4,882.63 mi (7,857.83 km) |
| Little Rock to Onate | 4,635.15 mi (7,459.55 km) |
| Little Rock to Onda | 4,832.99 mi (7,777.95 km) |
| Little Rock to Onteniente | 4,855.33 mi (7,813.90 km) |
| Little Rock to Orihuela | 4,864.16 mi (7,828.11 km) |
| Little Rock to Osuna | 4,692.48 mi (7,551.82 km) |
| Little Rock to Ourense | 4,406.25 mi (7,091.18 km) |
| Little Rock to Oviedo | 4,469.91 mi (7,193.62 km) |
| Little Rock to Paiporta | 4,843.77 mi (7,795.30 km) |
| Little Rock to Pajara | 4,512.51 mi (7,262.18 km) |
| Little Rock to Palafolls | 4,911.97 mi (7,905.05 km) |
| Little Rock to Palafrugell | 4,921.73 mi (7,920.75 km) |
| Little Rock to Palamos | 4,922.70 mi (7,922.32 km) |
