| Round Lake to Carmignano | 4,667.60 mi (7,511.78 km) |
| Round Lake to Carovigno | 5,066.35 mi (8,153.51 km) |
| Round Lake to Carpenedolo | 4,579.72 mi (7,370.35 km) |
| Round Lake to Carpi | 4,621.58 mi (7,437.71 km) |
| Round Lake to Carrara | 4,620.40 mi (7,435.82 km) |
| Round Lake to Carugate | 4,529.39 mi (7,289.36 km) |
| Round Lake to Casal di Principe | 4,912.91 mi (7,906.56 km) |
| Round Lake to Casale Monferrato | 4,512.10 mi (7,261.52 km) |
| Round Lake to Casale sul Sile | 4,642.92 mi (7,472.07 km) |
| Round Lake to Casalecchio di Reno | 4,649.81 mi (7,483.14 km) |
| Round Lake to Casalgrande | 4,624.13 mi (7,441.82 km) |
| Round Lake to Casalmaggiore | 4,594.85 mi (7,394.70 km) |
| Round Lake to Casalnuovo di Napoli | 4,926.00 mi (7,927.63 km) |
| Round Lake to Casalpusterlengo | 4,557.06 mi (7,333.87 km) |
| Round Lake to Casaluce | 4,916.31 mi (7,912.03 km) |
