| North Potomac to Capodrise | 4,596.06 mi (7,396.65 km) |
| North Potomac to Capoterra | 4,423.01 mi (7,118.15 km) |
| North Potomac to Capriolo | 4,247.13 mi (6,835.09 km) |
| North Potomac to Capua | 4,590.22 mi (7,387.25 km) |
| North Potomac to Capurso | 4,710.58 mi (7,580.94 km) |
| North Potomac to Carate Brianza | 4,210.94 mi (6,776.85 km) |
| North Potomac to Caravaggio | 4,239.25 mi (6,822.42 km) |
| North Potomac to Carbonera | 4,345.12 mi (6,992.80 km) |
| North Potomac to Carbonia | 4,402.53 mi (7,085.19 km) |
| North Potomac to Cardito | 4,599.75 mi (7,402.59 km) |
| North Potomac to Carignano | 4,173.20 mi (6,716.12 km) |
| North Potomac to Carini | 4,654.21 mi (7,490.23 km) |
| North Potomac to Carlentini | 4,770.21 mi (7,676.92 km) |
| North Potomac to Carmagnola | 4,176.90 mi (6,722.06 km) |
| North Potomac to Carmiano | 4,786.81 mi (7,703.62 km) |
