| Thermi to Colchester | 1,307.20 mi (2,103.73 km) |
| Thermi to Coleford | 1,440.08 mi (2,317.58 km) |
| Thermi to Colne | 1,484.30 mi (2,388.75 km) |
| Thermi to Colwyn Bay | 1,523.15 mi (2,451.28 km) |
| Thermi to Congleton | 1,463.95 mi (2,356.00 km) |
| Thermi to Conisbrough | 1,437.78 mi (2,313.89 km) |
| Thermi to Connahs Quay | 1,496.95 mi (2,409.10 km) |
| Thermi to Consett | 1,505.84 mi (2,423.41 km) |
| Thermi to Conwy | 1,527.76 mi (2,458.69 km) |
| Thermi to Cookstown | 1,674.24 mi (2,694.44 km) |
| Thermi to Corby | 1,386.49 mi (2,231.34 km) |
| Thermi to Corfe Mullen | 1,389.99 mi (2,236.98 km) |
| Thermi to Corsham | 1,413.58 mi (2,274.94 km) |
| Thermi to Coseley | 1,440.56 mi (2,318.37 km) |
| Thermi to Cosham | 1,353.19 mi (2,177.75 km) |
