| Marlborough to Cortona | 4,042.51 mi (6,505.80 km) |
| Marlborough to Cosenza | 4,376.51 mi (7,043.31 km) |
| Marlborough to Cossato | 3,800.88 mi (6,116.92 km) |
| Marlborough to Costa Volpino | 3,874.85 mi (6,235.96 km) |
| Marlborough to Creazzo | 3,943.33 mi (6,346.17 km) |
| Marlborough to Crema | 3,872.31 mi (6,231.88 km) |
| Marlborough to Cremona | 3,894.96 mi (6,268.33 km) |
| Marlborough to Crevalcore | 3,956.69 mi (6,367.68 km) |
| Marlborough to Crispiano | 4,369.08 mi (7,031.35 km) |
| Marlborough to Crosia | 4,388.89 mi (7,063.24 km) |
| Marlborough to Crotone | 4,423.24 mi (7,118.52 km) |
| Marlborough to Cuneo | 3,812.12 mi (6,135.01 km) |
| Marlborough to Cuorgne | 3,784.26 mi (6,090.17 km) |
| Marlborough to Cusano Milanino | 3,844.97 mi (6,187.88 km) |
| Marlborough to Cutro | 4,419.31 mi (7,112.19 km) |
