| Macomb to Cividale del Friuli | 4,849.03 mi (7,803.76 km) |
| Macomb to Civita Castellana | 4,973.35 mi (8,003.83 km) |
| Macomb to Civitanova Marche | 4,981.77 mi (8,017.39 km) |
| Macomb to Civitavecchia | 4,957.44 mi (7,978.23 km) |
| Macomb to Civitella in Val di Chiana | 4,897.68 mi (7,882.05 km) |
| Macomb to Clusone | 4,725.30 mi (7,604.64 km) |
| Macomb to Coccaglio | 4,739.56 mi (7,627.59 km) |
| Macomb to Codigoro | 4,852.95 mi (7,810.06 km) |
| Macomb to Codogno | 4,745.51 mi (7,637.16 km) |
| Macomb to Codroipo | 4,837.80 mi (7,785.69 km) |
| Macomb to Cogoleto | 4,735.29 mi (7,620.72 km) |
| Macomb to Colle di Val d'Elsa | 4,875.31 mi (7,846.06 km) |
| Macomb to Colle Salvetti | 4,841.08 mi (7,790.96 km) |
| Macomb to Collecchio | 4,782.51 mi (7,696.70 km) |
| Macomb to Colleferro | 5,022.03 mi (8,082.17 km) |
