| Lake Tapps to Cortona | 5,587.00 mi (8,991.41 km) |
| Lake Tapps to Cosenza | 5,933.54 mi (9,549.12 km) |
| Lake Tapps to Cossato | 5,354.54 mi (8,617.30 km) |
| Lake Tapps to Costa Volpino | 5,387.67 mi (8,670.61 km) |
| Lake Tapps to Creazzo | 5,439.27 mi (8,753.66 km) |
| Lake Tapps to Crema | 5,404.78 mi (8,698.15 km) |
| Lake Tapps to Cremona | 5,427.37 mi (8,734.51 km) |
| Lake Tapps to Crevalcore | 5,479.92 mi (8,819.07 km) |
| Lake Tapps to Crispiano | 5,876.54 mi (9,457.38 km) |
| Lake Tapps to Crosia | 5,929.48 mi (9,542.57 km) |
| Lake Tapps to Crotone | 5,967.72 mi (9,604.11 km) |
| Lake Tapps to Cuneo | 5,407.75 mi (8,702.94 km) |
| Lake Tapps to Cuorgne | 5,351.56 mi (8,612.51 km) |
| Lake Tapps to Cusano Milanino | 5,381.38 mi (8,660.49 km) |
| Lake Tapps to Cutro | 5,967.64 mi (9,603.99 km) |
