| Mastic Beach to Collegno | 3,906.06 mi (6,286.20 km) |
| Mastic Beach to Cologno al Serio | 3,982.48 mi (6,409.18 km) |
| Mastic Beach to Cologno Monzese | 3,966.05 mi (6,382.74 km) |
| Mastic Beach to Colorno | 4,032.74 mi (6,490.06 km) |
| Mastic Beach to Comacchio | 4,117.97 mi (6,627.24 km) |
| Mastic Beach to Comiso | 4,504.31 mi (7,248.99 km) |
| Mastic Beach to Como | 3,948.96 mi (6,355.24 km) |
| Mastic Beach to Concordia Sagittaria | 4,110.79 mi (6,615.68 km) |
| Mastic Beach to Concorezzo | 3,966.61 mi (6,383.64 km) |
| Mastic Beach to Conegliano | 4,083.46 mi (6,571.69 km) |
| Mastic Beach to Conselice | 4,109.04 mi (6,612.85 km) |
| Mastic Beach to Conselve | 4,086.68 mi (6,576.87 km) |
| Mastic Beach to Conversano | 4,465.04 mi (7,185.78 km) |
| Mastic Beach to Copertino | 4,532.52 mi (7,294.39 km) |
| Mastic Beach to Copparo | 4,096.28 mi (6,592.32 km) |
