| Efringen-Kirchen to Corinth (Mississippi) | 4,739.70 mi (7,627.82 km) |
| Efringen-Kirchen to Corinth (Texas) | 5,170.56 mi (8,321.22 km) |
| Efringen-Kirchen to Cornelius (North Carolina) | 4,398.12 mi (7,078.08 km) |
| Efringen-Kirchen to Cornelius (Oregon) | 5,339.91 mi (8,593.76 km) |
| Efringen-Kirchen to Corning (New York) | 3,947.10 mi (6,352.24 km) |
| Efringen-Kirchen to Corona (California) | 5,861.80 mi (9,433.65 km) |
| Efringen-Kirchen to Coronado (California) | 5,917.67 mi (9,523.58 km) |
| Efringen-Kirchen to Corpus Christi (Texas) | 5,461.16 mi (8,788.89 km) |
| Efringen-Kirchen to Corsicana (Texas) | 5,200.97 mi (8,370.15 km) |
| Efringen-Kirchen to Cortland (New York) | 3,892.46 mi (6,264.31 km) |
| Efringen-Kirchen to Corvallis (Oregon) | 5,401.61 mi (8,693.05 km) |
| Efringen-Kirchen to Coshocton (Ohio) | 4,223.19 mi (6,796.56 km) |
| Efringen-Kirchen to Costa Mesa (California) | 5,884.08 mi (9,469.51 km) |
| Efringen-Kirchen to Coto de Caza (California) | 5,877.76 mi (9,459.35 km) |
| Efringen-Kirchen to Cottage Grove (Minnesota) | 4,441.52 mi (7,147.93 km) |
