| Didymoteicho to Corinth (Mississippi) | 5,749.16 mi (9,252.38 km) |
| Didymoteicho to Corinth (Texas) | 6,164.32 mi (9,920.52 km) |
| Didymoteicho to Cornelius (North Carolina) | 5,418.22 mi (8,719.77 km) |
| Didymoteicho to Cornelius (Oregon) | 6,147.45 mi (9,893.36 km) |
| Didymoteicho to Corning (New York) | 4,958.70 mi (7,980.25 km) |
| Didymoteicho to Corona (California) | 6,760.91 mi (10,880.64 km) |
| Didymoteicho to Coronado (California) | 6,824.40 mi (10,982.82 km) |
| Didymoteicho to Corpus Christi (Texas) | 6,468.11 mi (10,409.42 km) |
| Didymoteicho to Corsicana (Texas) | 6,199.41 mi (9,976.99 km) |
| Didymoteicho to Cortland (New York) | 4,904.20 mi (7,892.55 km) |
| Didymoteicho to Corvallis (Oregon) | 6,212.32 mi (9,997.76 km) |
| Didymoteicho to Coshocton (Ohio) | 5,231.81 mi (8,419.79 km) |
| Didymoteicho to Costa Mesa (California) | 6,781.86 mi (10,914.34 km) |
| Didymoteicho to Coto de Caza (California) | 6,777.89 mi (10,907.97 km) |
| Didymoteicho to Cottage Grove (Minnesota) | 5,405.04 mi (8,698.56 km) |
