| Kalkara to Olivenza | 1,201.73 mi (1,934.00 km) |
| Kalkara to Olot | 777.66 mi (1,251.52 km) |
| Kalkara to Onate | 1,027.22 mi (1,653.15 km) |
| Kalkara to Onda | 852.71 mi (1,372.30 km) |
| Kalkara to Onteniente | 854.55 mi (1,375.27 km) |
| Kalkara to Orihuela | 866.44 mi (1,394.40 km) |
| Kalkara to Osuna | 1,091.36 mi (1,756.38 km) |
| Kalkara to Ourense | 1,275.80 mi (2,053.20 km) |
| Kalkara to Oviedo | 1,196.65 mi (1,925.82 km) |
| Kalkara to Paiporta | 852.21 mi (1,371.51 km) |
| Kalkara to Pajara | 1,747.12 mi (2,811.72 km) |
| Kalkara to Palafolls | 748.63 mi (1,204.80 km) |
| Kalkara to Palafrugell | 738.57 mi (1,188.61 km) |
| Kalkara to Palamos | 737.58 mi (1,187.03 km) |
| Kalkara to Palencia | 1,105.24 mi (1,778.71 km) |
