| Norristown to Carmignano | 4,230.87 mi (6,808.92 km) |
| Norristown to Carovigno | 4,633.16 mi (7,456.35 km) |
| Norristown to Carpenedolo | 4,153.91 mi (6,685.07 km) |
| Norristown to Carpi | 4,192.52 mi (6,747.20 km) |
| Norristown to Carrara | 4,182.21 mi (6,730.62 km) |
| Norristown to Carugate | 4,100.91 mi (6,599.78 km) |
| Norristown to Casal di Principe | 4,466.53 mi (7,188.18 km) |
| Norristown to Casale Monferrato | 4,076.59 mi (6,560.64 km) |
| Norristown to Casale sul Sile | 4,226.74 mi (6,802.28 km) |
| Norristown to Casalecchio di Reno | 4,219.78 mi (6,791.09 km) |
| Norristown to Casalgrande | 4,192.76 mi (6,747.59 km) |
| Norristown to Casalmaggiore | 4,165.67 mi (6,704.00 km) |
| Norristown to Casalnuovo di Napoli | 4,479.78 mi (7,209.50 km) |
| Norristown to Casalpusterlengo | 4,126.54 mi (6,641.03 km) |
| Norristown to Casaluce | 4,470.08 mi (7,193.91 km) |
