| Keystone to Carterton | 4,345.65 mi (6,993.65 km) |
| Keystone to Castle Bromwich | 4,327.14 mi (6,963.85 km) |
| Keystone to Castleford | 4,328.31 mi (6,965.74 km) |
| Keystone to Castleton | 4,297.04 mi (6,915.42 km) |
| Keystone to Caterham | 4,416.15 mi (7,107.11 km) |
| Keystone to Catford | 4,416.11 mi (7,107.04 km) |
| Keystone to Caversham | 4,375.80 mi (7,042.17 km) |
| Keystone to Chaddesden | 4,335.58 mi (6,977.43 km) |
| Keystone to Chalfont Saint Peter | 4,391.18 mi (7,066.92 km) |
| Keystone to Chandlers Ford | 4,365.84 mi (7,026.14 km) |
| Keystone to Chapel en le Frith | 4,310.87 mi (6,937.67 km) |
| Keystone to Chapeltown | 4,327.26 mi (6,964.06 km) |
| Keystone to Chard | 4,300.12 mi (6,920.38 km) |
| Keystone to Charlton Kings | 4,324.99 mi (6,960.39 km) |
| Keystone to Chatham | 4,439.98 mi (7,145.46 km) |
