| New Port Richey to Cividale del Friuli | 5,113.17 mi (8,228.85 km) |
| New Port Richey to Civita Castellana | 5,176.07 mi (8,330.09 km) |
| New Port Richey to Civitanova Marche | 5,207.65 mi (8,380.90 km) |
| New Port Richey to Civitavecchia | 5,153.29 mi (8,293.41 km) |
| New Port Richey to Civitella in Val di Chiana | 5,112.18 mi (8,227.26 km) |
| New Port Richey to Clusone | 4,965.47 mi (7,991.15 km) |
| New Port Richey to Coccaglio | 4,975.10 mi (8,006.66 km) |
| New Port Richey to Codigoro | 5,090.65 mi (8,192.61 km) |
| New Port Richey to Codogno | 4,973.39 mi (8,003.90 km) |
| New Port Richey to Codroipo | 5,097.20 mi (8,203.15 km) |
| New Port Richey to Cogoleto | 4,945.23 mi (7,958.58 km) |
| New Port Richey to Colle di Val d'Elsa | 5,085.86 mi (8,184.89 km) |
| New Port Richey to Colle Salvetti | 5,050.47 mi (8,127.95 km) |
| New Port Richey to Collecchio | 5,007.34 mi (8,058.53 km) |
| New Port Richey to Colleferro | 5,220.70 mi (8,401.91 km) |
