| Oak Ridge to Cosham | 4,073.68 mi (6,555.96 km) |
| Oak Ridge to Costessey | 4,121.11 mi (6,632.28 km) |
| Oak Ridge to Cottingham | 4,031.34 mi (6,487.82 km) |
| Oak Ridge to Coulsdon | 4,099.85 mi (6,598.08 km) |
| Oak Ridge to Coventry | 4,019.30 mi (6,468.44 km) |
| Oak Ridge to Cowdenbeath | 3,872.34 mi (6,231.92 km) |
| Oak Ridge to Cowes | 4,066.06 mi (6,543.70 km) |
| Oak Ridge to Cowley | 4,081.04 mi (6,567.80 km) |
| Oak Ridge to Cowley | 4,046.62 mi (6,512.40 km) |
| Oak Ridge to Cramlington | 3,958.54 mi (6,370.66 km) |
| Oak Ridge to Cranleigh | 4,090.57 mi (6,583.13 km) |
| Oak Ridge to Crawley | 4,103.05 mi (6,603.22 km) |
| Oak Ridge to Crayford | 4,109.63 mi (6,613.82 km) |
| Oak Ridge to Crewe | 3,967.26 mi (6,384.69 km) |
| Oak Ridge to Crigglestone | 3,991.44 mi (6,423.60 km) |
