| Norristown to Castrovillari | 4,602.84 mi (7,407.55 km) |
| Norristown to Catania | 4,642.08 mi (7,470.70 km) |
| Norristown to Catanzaro | 4,655.88 mi (7,492.91 km) |
| Norristown to Cattolica | 4,299.82 mi (6,919.90 km) |
| Norristown to Cava de' Tirreni | 4,503.26 mi (7,247.29 km) |
| Norristown to Cavallino | 4,671.21 mi (7,517.59 km) |
| Norristown to Cavarzere | 4,231.77 mi (6,810.38 km) |
| Norristown to Cave | 4,384.57 mi (7,056.28 km) |
| Norristown to Cavriago | 4,180.25 mi (6,727.47 km) |
| Norristown to Cavriglia | 4,261.39 mi (6,858.04 km) |
| Norristown to Cazzago San Martino | 4,129.48 mi (6,645.76 km) |
| Norristown to Ceccano | 4,411.19 mi (7,099.12 km) |
| Norristown to Cecina | 4,226.07 mi (6,801.20 km) |
| Norristown to Cefalu | 4,572.85 mi (7,359.29 km) |
| Norristown to Ceglie Messapico | 4,627.84 mi (7,447.80 km) |
