| Norristown to Busto Arsizio | 4,078.30 mi (6,563.38 km) |
| Norristown to Busto Garolfo | 4,081.84 mi (6,569.09 km) |
| Norristown to Cabras | 4,253.40 mi (6,845.19 km) |
| Norristown to Cadelbosco di Sopra | 4,180.90 mi (6,728.51 km) |
| Norristown to Cadoneghe | 4,214.90 mi (6,783.23 km) |
| Norristown to Cagli | 4,310.78 mi (6,937.53 km) |
| Norristown to Cagliari | 4,304.63 mi (6,927.63 km) |
| Norristown to Cairo Montenotte | 4,091.82 mi (6,585.15 km) |
| Norristown to Caivano | 4,476.34 mi (7,203.97 km) |
| Norristown to Calcinaia | 4,218.00 mi (6,788.22 km) |
| Norristown to Calcinato | 4,150.11 mi (6,678.95 km) |
| Norristown to Calderara di Reno | 4,216.25 mi (6,785.40 km) |
| Norristown to Caldogno | 4,191.30 mi (6,745.24 km) |
| Norristown to Calenzano | 4,235.67 mi (6,816.65 km) |
| Norristown to Calolziocorte | 4,097.15 mi (6,593.73 km) |
