| Watertown Town to Cockermouth | 3,086.77 mi (4,967.67 km) |
| Watertown Town to Colchester | 3,308.87 mi (5,325.12 km) |
| Watertown Town to Coleford | 3,167.79 mi (5,098.07 km) |
| Watertown Town to Colne | 3,146.79 mi (5,064.27 km) |
| Watertown Town to Colwyn Bay | 3,096.19 mi (4,982.84 km) |
| Watertown Town to Congleton | 3,157.73 mi (5,081.88 km) |
| Watertown Town to Conisbrough | 3,191.14 mi (5,135.64 km) |
| Watertown Town to Connahs Quay | 3,123.17 mi (5,026.25 km) |
| Watertown Town to Consett | 3,142.99 mi (5,058.15 km) |
| Watertown Town to Conwy | 3,091.17 mi (4,974.75 km) |
| Watertown Town to Cookstown | 2,954.81 mi (4,755.31 km) |
| Watertown Town to Corby | 3,231.56 mi (5,200.69 km) |
| Watertown Town to Corfe Mullen | 3,213.39 mi (5,171.45 km) |
| Watertown Town to Corsham | 3,192.65 mi (5,138.08 km) |
| Watertown Town to Coseley | 3,174.68 mi (5,109.15 km) |
