| New Port Richey to Cortona | 5,128.61 mi (8,253.70 km) |
| New Port Richey to Cosenza | 5,447.48 mi (8,766.87 km) |
| New Port Richey to Cossato | 4,893.62 mi (7,875.51 km) |
| New Port Richey to Costa Volpino | 4,973.49 mi (8,004.06 km) |
| New Port Richey to Creazzo | 5,043.05 mi (8,116.00 km) |
| New Port Richey to Crema | 4,967.01 mi (7,993.63 km) |
| New Port Richey to Cremona | 4,988.89 mi (8,028.84 km) |
| New Port Richey to Crevalcore | 5,050.41 mi (8,127.85 km) |
| New Port Richey to Crispiano | 5,451.88 mi (8,773.95 km) |
| New Port Richey to Crosia | 5,463.36 mi (8,792.43 km) |
| New Port Richey to Crotone | 5,495.52 mi (8,844.19 km) |
| New Port Richey to Cuneo | 4,895.03 mi (7,877.79 km) |
| New Port Richey to Cuorgne | 4,874.63 mi (7,844.96 km) |
| New Port Richey to Cusano Milanino | 4,939.80 mi (7,949.84 km) |
| New Port Richey to Cutro | 5,490.80 mi (8,836.59 km) |
