| Portimao to Caltagirone | 1,265.68 mi (2,036.91 km) |
| Portimao to Caltanissetta | 1,239.21 mi (1,994.31 km) |
| Portimao to Calvisano | 1,129.25 mi (1,817.35 km) |
| Portimao to Calvizzano | 1,243.37 mi (2,001.01 km) |
| Portimao to Camaiore | 1,091.64 mi (1,756.82 km) |
| Portimao to Cameri | 1,059.32 mi (1,704.81 km) |
| Portimao to Camisano Vicentino | 1,195.05 mi (1,923.24 km) |
| Portimao to Campagna | 1,290.11 mi (2,076.23 km) |
| Portimao to Campagnano di Roma | 1,162.09 mi (1,870.20 km) |
| Portimao to Campi Bisenzio | 1,128.55 mi (1,816.22 km) |
| Portimao to Campi Salentina | 1,442.62 mi (2,321.67 km) |
| Portimao to Campiglia Marittima | 1,088.96 mi (1,752.51 km) |
| Portimao to Campobasso | 1,272.76 mi (2,048.31 km) |
| Portimao to Campobello di Licata | 1,233.02 mi (1,984.36 km) |
| Portimao to Campobello di Mazara | 1,166.72 mi (1,877.65 km) |
