| Marlborough to Cividale del Friuli | 4,005.91 mi (6,446.89 km) |
| Marlborough to Civita Castellana | 4,095.62 mi (6,591.27 km) |
| Marlborough to Civitanova Marche | 4,116.93 mi (6,625.55 km) |
| Marlborough to Civitavecchia | 4,075.92 mi (6,559.56 km) |
| Marlborough to Civitella in Val di Chiana | 4,025.82 mi (6,478.93 km) |
| Marlborough to Clusone | 3,866.80 mi (6,223.01 km) |
| Marlborough to Coccaglio | 3,878.45 mi (6,241.77 km) |
| Marlborough to Codigoro | 3,993.96 mi (6,427.65 km) |
| Marlborough to Codogno | 3,880.02 mi (6,244.29 km) |
| Marlborough to Codroipo | 3,991.68 mi (6,424.00 km) |
| Marlborough to Cogoleto | 3,859.65 mi (6,211.51 km) |
| Marlborough to Colle di Val d'Elsa | 4,001.09 mi (6,439.14 km) |
| Marlborough to Colle Salvetti | 3,965.96 mi (6,382.60 km) |
| Marlborough to Collecchio | 3,915.56 mi (6,301.49 km) |
| Marlborough to Colleferro | 4,142.50 mi (6,666.72 km) |
