| Opelika to Cromer | 4,326.10 mi (6,962.19 km) |
| Opelika to Crosby | 4,143.34 mi (6,668.07 km) |
| Opelika to Crowborough | 4,321.97 mi (6,955.54 km) |
| Opelika to Croxley Green | 4,284.29 mi (6,894.90 km) |
| Opelika to Croydon | 4,303.95 mi (6,926.55 km) |
| Opelika to Cudworth | 4,205.52 mi (6,768.14 km) |
| Opelika to Culcheth | 4,164.30 mi (6,701.80 km) |
| Opelika to Cullercoats | 4,176.82 mi (6,721.95 km) |
| Opelika to Cumbernauld | 4,063.95 mi (6,540.30 km) |
| Opelika to Cumnock | 4,061.62 mi (6,536.54 km) |
| Opelika to Cupar | 4,094.67 mi (6,589.74 km) |
| Opelika to Cwmbran | 4,178.78 mi (6,725.09 km) |
| Opelika to Dagenham | 4,310.55 mi (6,937.15 km) |
| Opelika to Dalkeith | 4,099.95 mi (6,598.23 km) |
| Opelika to Darfield | 4,207.65 mi (6,771.55 km) |
