| Butler to Olivares | 3,838.35 mi (6,177.22 km) |
| Butler to Olivenza | 3,751.75 mi (6,037.85 km) |
| Butler to Olot | 4,083.26 mi (6,571.37 km) |
| Butler to Onate | 3,835.14 mi (6,172.07 km) |
| Butler to Onda | 4,032.54 mi (6,489.74 km) |
| Butler to Onteniente | 4,055.15 mi (6,526.14 km) |
| Butler to Orihuela | 4,064.40 mi (6,541.02 km) |
| Butler to Osuna | 3,895.08 mi (6,268.53 km) |
| Butler to Ourense | 3,605.87 mi (5,803.09 km) |
| Butler to Oviedo | 3,669.57 mi (5,905.61 km) |
| Butler to Paiporta | 4,043.40 mi (6,507.23 km) |
| Butler to Pajara | 3,751.74 mi (6,037.85 km) |
| Butler to Palafolls | 4,112.34 mi (6,618.17 km) |
| Butler to Palafrugell | 4,122.37 mi (6,634.32 km) |
| Butler to Palamos | 4,123.28 mi (6,635.78 km) |
