| Norristown to Castelletto sopra Ticino | 4,065.60 mi (6,542.95 km) |
| Norristown to Castelli Calepio | 4,122.44 mi (6,634.43 km) |
| Norristown to Castelnovo ne' Monti | 4,183.39 mi (6,732.52 km) |
| Norristown to Castelnuovo Berardenga | 4,268.14 mi (6,868.90 km) |
| Norristown to Castelnuovo di Porto | 4,354.21 mi (7,007.42 km) |
| Norristown to Castelnuovo di Verona | 4,165.93 mi (6,704.42 km) |
| Norristown to Castelnuovo Rangone | 4,202.48 mi (6,763.24 km) |
| Norristown to Castelvetrano | 4,530.14 mi (7,290.56 km) |
| Norristown to Castelvetro di Modena | 4,204.88 mi (6,767.10 km) |
| Norristown to Castenaso | 4,226.94 mi (6,802.60 km) |
| Norristown to Castenedolo | 4,144.68 mi (6,670.21 km) |
| Norristown to Castiglion Fiorentino | 4,286.29 mi (6,898.11 km) |
| Norristown to Castiglione del Lago | 4,299.03 mi (6,918.63 km) |
| Norristown to Castiglione delle Stiviere | 4,155.66 mi (6,687.89 km) |
| Norristown to Castrolibero | 4,622.01 mi (7,438.41 km) |
