| Norristown to Corato | 4,560.88 mi (7,340.02 km) |
| Norristown to Corbetta | 4,085.72 mi (6,575.33 km) |
| Norristown to Corciano | 4,309.46 mi (6,935.41 km) |
| Norristown to Cordenons | 4,229.19 mi (6,806.22 km) |
| Norristown to Cori | 4,389.85 mi (7,064.78 km) |
| Norristown to Coriano | 4,294.10 mi (6,910.68 km) |
| Norristown to Corigliano Calabro | 4,625.15 mi (7,443.47 km) |
| Norristown to Corleone | 4,548.35 mi (7,319.86 km) |
| Norristown to Cormano | 4,093.78 mi (6,588.30 km) |
| Norristown to Cornaredo | 4,089.66 mi (6,581.67 km) |
| Norristown to Cornate d'Adda | 4,103.40 mi (6,603.79 km) |
| Norristown to Cornedo Vicentino | 4,184.63 mi (6,734.51 km) |
| Norristown to Correggio | 4,188.61 mi (6,740.92 km) |
| Norristown to Corridonia | 4,358.77 mi (7,014.77 km) |
| Norristown to Corsico | 4,095.38 mi (6,590.87 km) |
