| Killarney to Bombarral | 883.91 mi (1,422.52 km) |
| Killarney to Bougado | 742.15 mi (1,194.37 km) |
| Killarney to Braga | 727.86 mi (1,171.38 km) |
| Killarney to Braganca | 719.98 mi (1,158.70 km) |
| Killarney to Cabeceiras de Basto | 730.61 mi (1,175.80 km) |
| Killarney to Cacem | 918.19 mi (1,477.68 km) |
| Killarney to Cadaval | 886.37 mi (1,426.48 km) |
| Killarney to Caldas da Rainha | 874.32 mi (1,407.08 km) |
| Killarney to Calheta | 1,389.90 mi (2,236.83 km) |
| Killarney to Camara de Lobos | 1,389.38 mi (2,235.99 km) |
| Killarney to Canico | 1,391.31 mi (2,239.09 km) |
| Killarney to Cantanhede | 810.42 mi (1,304.25 km) |
| Killarney to Carregal do Sal | 806.42 mi (1,297.81 km) |
| Killarney to Cartaxo | 892.59 mi (1,436.48 km) |
| Killarney to Cascais | 923.01 mi (1,485.45 km) |
