| Round Lake to Casamassima | 5,025.62 mi (8,087.95 km) |
| Round Lake to Casandrino | 4,921.28 mi (7,920.03 km) |
| Round Lake to Casapulla | 4,916.64 mi (7,912.57 km) |
| Round Lake to Casarano | 5,117.58 mi (8,235.96 km) |
| Round Lake to Casatenovo | 4,522.48 mi (7,278.23 km) |
| Round Lake to Casciana Terme | 4,664.13 mi (7,506.19 km) |
| Round Lake to Cascina | 4,654.83 mi (7,491.23 km) |
| Round Lake to Caselle Torinese | 4,478.29 mi (7,207.10 km) |
| Round Lake to Caserta | 4,918.63 mi (7,915.77 km) |
| Round Lake to Casier | 4,639.53 mi (7,466.61 km) |
| Round Lake to Casorate Primo | 4,526.58 mi (7,284.83 km) |
| Round Lake to Casoria | 4,924.76 mi (7,925.63 km) |
| Round Lake to Cassano al Ionio | 5,055.53 mi (8,136.09 km) |
| Round Lake to Cassano d'Adda | 4,537.22 mi (7,301.95 km) |
| Round Lake to Cassano delle Murge | 5,022.82 mi (8,083.45 km) |
