| New Port Richey to Castelletto sopra Ticino | 4,910.85 mi (7,903.26 km) |
| New Port Richey to Castelli Calepio | 4,969.77 mi (7,998.07 km) |
| New Port Richey to Castelnovo ne' Monti | 5,024.13 mi (8,085.55 km) |
| New Port Richey to Castelnuovo Berardenga | 5,104.38 mi (8,214.70 km) |
| New Port Richey to Castelnuovo di Porto | 5,184.96 mi (8,344.39 km) |
| New Port Richey to Castelnuovo di Verona | 5,013.81 mi (8,068.95 km) |
| New Port Richey to Castelnuovo Rangone | 5,045.16 mi (8,119.40 km) |
| New Port Richey to Castelvetrano | 5,330.68 mi (8,578.90 km) |
| New Port Richey to Castelvetro di Modena | 5,047.28 mi (8,122.81 km) |
| New Port Richey to Castenaso | 5,070.56 mi (8,160.28 km) |
| New Port Richey to Castenedolo | 4,991.80 mi (8,033.53 km) |
| New Port Richey to Castiglion Fiorentino | 5,123.51 mi (8,245.48 km) |
| New Port Richey to Castiglione del Lago | 5,135.23 mi (8,264.36 km) |
| New Port Richey to Castiglione delle Stiviere | 5,002.77 mi (8,051.18 km) |
| New Port Richey to Castrolibero | 5,444.58 mi (8,762.20 km) |
