| Round Lake to Busto Arsizio | 4,508.08 mi (7,255.06 km) |
| Round Lake to Busto Garolfo | 4,512.06 mi (7,261.46 km) |
| Round Lake to Cabras | 4,731.46 mi (7,614.55 km) |
| Round Lake to Cadelbosco di Sopra | 4,611.24 mi (7,421.07 km) |
| Round Lake to Cadoneghe | 4,634.00 mi (7,457.71 km) |
| Round Lake to Cagli | 4,743.06 mi (7,633.22 km) |
| Round Lake to Cagliari | 4,785.76 mi (7,701.93 km) |
| Round Lake to Cairo Montenotte | 4,534.45 mi (7,297.49 km) |
| Round Lake to Caivano | 4,922.52 mi (7,922.03 km) |
| Round Lake to Calcinaia | 4,657.47 mi (7,495.47 km) |
| Round Lake to Calcinato | 4,575.18 mi (7,363.04 km) |
| Round Lake to Calderara di Reno | 4,645.63 mi (7,476.43 km) |
| Round Lake to Caldogno | 4,610.85 mi (7,420.45 km) |
| Round Lake to Calenzano | 4,671.38 mi (7,517.86 km) |
| Round Lake to Calolziocorte | 4,523.04 mi (7,279.13 km) |
