| Pottstown to Collegno | 4,048.17 mi (6,514.90 km) |
| Pottstown to Cologno al Serio | 4,123.31 mi (6,635.82 km) |
| Pottstown to Cologno Monzese | 4,107.09 mi (6,609.73 km) |
| Pottstown to Colorno | 4,173.96 mi (6,717.34 km) |
| Pottstown to Comacchio | 4,258.73 mi (6,853.77 km) |
| Pottstown to Comiso | 4,650.43 mi (7,484.15 km) |
| Pottstown to Como | 4,089.79 mi (6,581.87 km) |
| Pottstown to Concordia Sagittaria | 4,250.19 mi (6,840.02 km) |
| Pottstown to Concorezzo | 4,107.57 mi (6,610.50 km) |
| Pottstown to Conegliano | 4,222.96 mi (6,796.20 km) |
| Pottstown to Conselice | 4,250.11 mi (6,839.89 km) |
| Pottstown to Conselve | 4,227.03 mi (6,802.74 km) |
| Pottstown to Conversano | 4,607.18 mi (7,414.54 km) |
| Pottstown to Copertino | 4,674.86 mi (7,523.46 km) |
| Pottstown to Copparo | 4,236.97 mi (6,818.75 km) |
