| McCalla to Olivares | 4,419.97 mi (7,113.26 km) |
| McCalla to Olivenza | 4,338.31 mi (6,981.83 km) |
| McCalla to Olot | 4,701.43 mi (7,566.23 km) |
| McCalla to Onate | 4,449.82 mi (7,161.29 km) |
| McCalla to Onda | 4,637.61 mi (7,463.51 km) |
| McCalla to Onteniente | 4,654.59 mi (7,490.83 km) |
| McCalla to Orihuela | 4,659.81 mi (7,499.24 km) |
| McCalla to Osuna | 4,477.92 mi (7,206.51 km) |
| McCalla to Ourense | 4,209.77 mi (6,774.96 km) |
| McCalla to Oviedo | 4,281.01 mi (6,889.62 km) |
| McCalla to Paiporta | 4,645.88 mi (7,476.82 km) |
| McCalla to Pajara | 4,251.61 mi (6,842.31 km) |
| McCalla to Palafolls | 4,728.99 mi (7,610.58 km) |
| McCalla to Palafrugell | 4,740.54 mi (7,629.16 km) |
| McCalla to Palamos | 4,741.14 mi (7,630.13 km) |
