| Round Lake to Caltagirone | 5,098.86 mi (8,205.83 km) |
| Round Lake to Caltanissetta | 5,068.76 mi (8,157.39 km) |
| Round Lake to Calvisano | 4,577.05 mi (7,366.05 km) |
| Round Lake to Calvizzano | 4,920.11 mi (7,918.15 km) |
| Round Lake to Camaiore | 4,634.42 mi (7,458.38 km) |
| Round Lake to Cameri | 4,504.75 mi (7,249.69 km) |
| Round Lake to Camisano Vicentino | 4,622.88 mi (7,439.81 km) |
| Round Lake to Campagna | 4,967.03 mi (7,993.67 km) |
| Round Lake to Campagnano di Roma | 4,794.04 mi (7,715.26 km) |
| Round Lake to Campi Bisenzio | 4,672.19 mi (7,519.17 km) |
| Round Lake to Campi Salentina | 5,093.89 mi (8,197.82 km) |
| Round Lake to Campiglia Marittima | 4,683.58 mi (7,537.49 km) |
| Round Lake to Campobasso | 4,909.46 mi (7,901.01 km) |
| Round Lake to Campobello di Licata | 5,073.63 mi (8,165.22 km) |
| Round Lake to Campobello di Mazara | 5,007.85 mi (8,059.36 km) |
