| Kansas City to Olivares | 4,586.89 mi (7,381.88 km) |
| Kansas City to Olivenza | 4,496.77 mi (7,236.85 km) |
| Kansas City to Olot | 4,789.24 mi (7,707.53 km) |
| Kansas City to Onate | 4,548.36 mi (7,319.87 km) |
| Kansas City to Onda | 4,757.12 mi (7,655.85 km) |
| Kansas City to Onteniente | 4,786.05 mi (7,702.41 km) |
| Kansas City to Orihuela | 4,799.45 mi (7,723.97 km) |
| Kansas City to Osuna | 4,642.37 mi (7,471.18 km) |
| Kansas City to Ourense | 4,334.74 mi (6,976.09 km) |
| Kansas City to Oviedo | 4,388.58 mi (7,062.73 km) |
| Kansas City to Paiporta | 4,770.98 mi (7,678.15 km) |
| Kansas City to Pajara | 4,533.59 mi (7,296.12 km) |
| Kansas City to Palafolls | 4,820.50 mi (7,757.84 km) |
| Kansas City to Palafrugell | 4,828.08 mi (7,770.04 km) |
| Kansas City to Palamos | 4,829.48 mi (7,772.29 km) |
