| North Potomac to Carmignano | 4,354.30 mi (7,007.57 km) |
| North Potomac to Carovigno | 4,756.59 mi (7,655.00 km) |
| North Potomac to Carpenedolo | 4,277.29 mi (6,883.64 km) |
| North Potomac to Carpi | 4,315.92 mi (6,945.81 km) |
| North Potomac to Carrara | 4,305.64 mi (6,929.26 km) |
| North Potomac to Carugate | 4,224.31 mi (6,798.37 km) |
| North Potomac to Casal di Principe | 4,589.94 mi (7,386.79 km) |
| North Potomac to Casale Monferrato | 4,200.02 mi (6,759.28 km) |
| North Potomac to Casale sul Sile | 4,350.05 mi (7,000.73 km) |
| North Potomac to Casalecchio di Reno | 4,343.20 mi (6,989.70 km) |
| North Potomac to Casalgrande | 4,316.17 mi (6,946.21 km) |
| North Potomac to Casalmaggiore | 4,289.08 mi (6,902.61 km) |
| North Potomac to Casalnuovo di Napoli | 4,603.19 mi (7,408.11 km) |
| North Potomac to Casalpusterlengo | 4,249.95 mi (6,839.64 km) |
| North Potomac to Casaluce | 4,593.50 mi (7,392.52 km) |
