| Norristown to Celano | 4,402.24 mi (7,084.71 km) |
| Norristown to Cento | 4,211.35 mi (6,777.51 km) |
| Norristown to Cepagatti | 4,414.30 mi (7,104.13 km) |
| Norristown to Ceprano | 4,419.86 mi (7,113.08 km) |
| Norristown to Cercola | 4,481.62 mi (7,212.48 km) |
| Norristown to Cerea | 4,192.85 mi (6,747.74 km) |
| Norristown to Cerese | 4,177.91 mi (6,723.70 km) |
| Norristown to Cerignola | 4,534.70 mi (7,297.89 km) |
| Norristown to Cermenate | 4,085.40 mi (6,574.82 km) |
| Norristown to Cernusco sul Naviglio | 4,101.99 mi (6,601.51 km) |
| Norristown to Cerreto Guidi | 4,226.77 mi (6,802.33 km) |
| Norristown to Cerro Maggiore | 4,082.89 mi (6,570.77 km) |
| Norristown to Certaldo | 4,241.09 mi (6,825.37 km) |
| Norristown to Cerveteri | 4,341.33 mi (6,986.70 km) |
| Norristown to Cervia | 4,273.51 mi (6,877.54 km) |
