| Poplar Bluff to Cosham | 4,282.08 mi (6,891.34 km) |
| Poplar Bluff to Costessey | 4,317.09 mi (6,947.68 km) |
| Poplar Bluff to Cottingham | 4,223.49 mi (6,797.05 km) |
| Poplar Bluff to Coulsdon | 4,304.56 mi (6,927.53 km) |
| Poplar Bluff to Coventry | 4,220.16 mi (6,791.69 km) |
| Poplar Bluff to Cowdenbeath | 4,054.88 mi (6,525.70 km) |
| Poplar Bluff to Cowes | 4,275.20 mi (6,880.26 km) |
| Poplar Bluff to Cowley | 4,285.15 mi (6,896.28 km) |
| Poplar Bluff to Cowley | 4,250.63 mi (6,840.73 km) |
| Poplar Bluff to Cramlington | 4,144.98 mi (6,670.69 km) |
| Poplar Bluff to Cranleigh | 4,296.68 mi (6,914.84 km) |
| Poplar Bluff to Crawley | 4,308.90 mi (6,934.51 km) |
| Poplar Bluff to Crayford | 4,313.26 mi (6,941.52 km) |
| Poplar Bluff to Crewe | 4,165.58 mi (6,703.86 km) |
| Poplar Bluff to Crigglestone | 4,185.70 mi (6,736.24 km) |
