| Portimao to Colchester | 1,118.37 mi (1,799.84 km) |
| Portimao to Coleford | 1,052.89 mi (1,694.47 km) |
| Portimao to Colne | 1,194.35 mi (1,922.12 km) |
| Portimao to Colwyn Bay | 1,139.98 mi (1,834.63 km) |
| Portimao to Congleton | 1,148.16 mi (1,847.79 km) |
| Portimao to Conisbrough | 1,182.19 mi (1,902.55 km) |
| Portimao to Connahs Quay | 1,141.88 mi (1,837.67 km) |
| Portimao to Consett | 1,264.10 mi (2,034.37 km) |
| Portimao to Conwy | 1,138.06 mi (1,831.53 km) |
| Portimao to Cookstown | 1,212.80 mi (1,951.81 km) |
| Portimao to Corby | 1,126.45 mi (1,812.84 km) |
| Portimao to Corfe Mullen | 995.27 mi (1,601.73 km) |
| Portimao to Corsham | 1,035.63 mi (1,666.69 km) |
| Portimao to Coseley | 1,109.80 mi (1,786.05 km) |
| Portimao to Cosham | 1,015.93 mi (1,634.97 km) |
