| Killarney to Castelo Branco | 851.24 mi (1,369.94 km) |
| Killarney to Castro Daire | 774.58 mi (1,246.56 km) |
| Killarney to Celorico de Basto | 741.01 mi (1,192.54 km) |
| Killarney to Chamusca | 879.46 mi (1,415.35 km) |
| Killarney to Chaves | 719.29 mi (1,157.59 km) |
| Killarney to Cinfaes | 759.95 mi (1,223.02 km) |
| Killarney to Coimbra | 820.20 mi (1,319.98 km) |
| Killarney to Condeixa-a-Nova | 826.51 mi (1,330.14 km) |
| Killarney to Corroios | 929.06 mi (1,495.17 km) |
| Killarney to Coruche | 906.47 mi (1,458.83 km) |
| Killarney to Costa de Caparica | 926.92 mi (1,491.74 km) |
| Killarney to Covilha | 819.17 mi (1,318.33 km) |
| Killarney to Eiras | 818.07 mi (1,316.56 km) |
| Killarney to Elvas | 918.49 mi (1,478.16 km) |
| Killarney to Entroncamento | 871.54 mi (1,402.61 km) |
