| Richardson to Castelletto sopra Ticino | 5,280.84 mi (8,498.70 km) |
| Richardson to Castelli Calepio | 5,334.73 mi (8,585.41 km) |
| Richardson to Castelnovo ne' Monti | 5,402.03 mi (8,693.73 km) |
| Richardson to Castelnuovo Berardenga | 5,490.33 mi (8,835.84 km) |
| Richardson to Castelnuovo di Porto | 5,580.67 mi (8,981.22 km) |
| Richardson to Castelnuovo di Verona | 5,377.07 mi (8,653.55 km) |
| Richardson to Castelnuovo Rangone | 5,418.88 mi (8,720.85 km) |
| Richardson to Castelvetrano | 5,777.96 mi (9,298.72 km) |
| Richardson to Castelvetro di Modena | 5,421.55 mi (8,725.14 km) |
| Richardson to Castenaso | 5,442.05 mi (8,758.14 km) |
| Richardson to Castenedolo | 5,356.92 mi (8,621.13 km) |
| Richardson to Castiglion Fiorentino | 5,507.33 mi (8,863.19 km) |
| Richardson to Castiglione del Lago | 5,520.94 mi (8,885.09 km) |
| Richardson to Castiglione delle Stiviere | 5,367.79 mi (8,638.62 km) |
| Richardson to Castrolibero | 5,853.02 mi (9,419.53 km) |
