| New Port Richey to Castelfidardo | 5,194.32 mi (8,359.45 km) |
| New Port Richey to Castelfiorentino | 5,072.68 mi (8,163.69 km) |
| New Port Richey to Castelfranco di Sopra | 5,099.14 mi (8,206.27 km) |
| New Port Richey to Castelfranco di Sotto | 5,059.99 mi (8,143.27 km) |
| New Port Richey to Castelfranco Emilia | 5,049.29 mi (8,126.05 km) |
| New Port Richey to Castelfranco Veneto | 5,059.36 mi (8,142.25 km) |
| New Port Richey to Castellabate | 5,355.39 mi (8,618.66 km) |
| New Port Richey to Castellammare del Golfo | 5,324.62 mi (8,569.14 km) |
| New Port Richey to Castellammare di Stabia | 5,320.37 mi (8,562.30 km) |
| New Port Richey to Castellamonte | 4,877.64 mi (7,849.81 km) |
| New Port Richey to Castellana Grotte | 5,439.67 mi (8,754.30 km) |
| New Port Richey to Castellaneta | 5,436.89 mi (8,749.82 km) |
| New Port Richey to Castellanza | 4,925.37 mi (7,926.62 km) |
| New Port Richey to Castellarano | 5,037.92 mi (8,107.74 km) |
| New Port Richey to Castelleone | 4,972.35 mi (8,002.23 km) |
