| Norristown to Chivasso | 4,050.08 mi (6,517.97 km) |
| Norristown to Ciampino | 4,370.49 mi (7,033.62 km) |
| Norristown to Cicciano | 4,486.01 mi (7,219.53 km) |
| Norristown to Cingoli | 4,341.69 mi (6,987.27 km) |
| Norristown to Cinisello Balsamo | 4,095.92 mi (6,591.75 km) |
| Norristown to Cinisi | 4,526.05 mi (7,283.98 km) |
| Norristown to Cirie | 4,036.25 mi (6,495.72 km) |
| Norristown to Ciro Marina | 4,661.08 mi (7,501.28 km) |
| Norristown to Cislago | 4,082.01 mi (6,569.36 km) |
| Norristown to Cisterna di Latina | 4,388.06 mi (7,061.90 km) |
| Norristown to Cisternino | 4,621.73 mi (7,437.96 km) |
| Norristown to Citta di Castello | 4,296.32 mi (6,914.27 km) |
| Norristown to Citta Sant'Angelo | 4,408.15 mi (7,094.23 km) |
| Norristown to Cittadella | 4,201.85 mi (6,762.22 km) |
| Norristown to Cittanova | 4,654.09 mi (7,490.03 km) |
