| North Potomac to Casamassima | 4,714.40 mi (7,587.09 km) |
| North Potomac to Casandrino | 4,598.16 mi (7,400.03 km) |
| North Potomac to Casapulla | 4,594.71 mi (7,394.48 km) |
| North Potomac to Casarano | 4,804.91 mi (7,732.76 km) |
| North Potomac to Casatenovo | 4,218.62 mi (6,789.21 km) |
| North Potomac to Casciana Terme | 4,346.80 mi (6,995.50 km) |
| North Potomac to Cascina | 4,338.53 mi (6,982.19 km) |
| North Potomac to Caselle Torinese | 4,163.50 mi (6,700.51 km) |
| North Potomac to Caserta | 4,596.92 mi (7,398.02 km) |
| North Potomac to Casier | 4,346.96 mi (6,995.75 km) |
| North Potomac to Casorate Primo | 4,218.24 mi (6,788.60 km) |
| North Potomac to Casoria | 4,601.60 mi (7,405.56 km) |
| North Potomac to Cassano al Ionio | 4,732.68 mi (7,616.51 km) |
| North Potomac to Cassano d'Adda | 4,232.70 mi (6,811.87 km) |
| North Potomac to Cassano delle Murge | 4,710.41 mi (7,580.67 km) |
