| Norristown to Casamassima | 4,590.96 mi (7,388.44 km) |
| Norristown to Casandrino | 4,474.75 mi (7,201.42 km) |
| Norristown to Casapulla | 4,471.30 mi (7,195.86 km) |
| Norristown to Casarano | 4,681.48 mi (7,534.11 km) |
| Norristown to Casatenovo | 4,095.23 mi (6,590.63 km) |
| Norristown to Casciana Terme | 4,223.37 mi (6,796.86 km) |
| Norristown to Cascina | 4,215.09 mi (6,783.54 km) |
| Norristown to Caselle Torinese | 4,040.07 mi (6,501.86 km) |
| Norristown to Caserta | 4,473.50 mi (7,199.40 km) |
| Norristown to Casier | 4,223.65 mi (6,797.30 km) |
| Norristown to Casorate Primo | 4,094.83 mi (6,589.99 km) |
| Norristown to Casoria | 4,478.19 mi (7,206.95 km) |
| Norristown to Cassano al Ionio | 4,609.28 mi (7,417.91 km) |
| Norristown to Cassano d'Adda | 4,109.30 mi (6,613.28 km) |
| Norristown to Cassano delle Murge | 4,586.98 mi (7,382.03 km) |
