| Key Largo to Butzbach | 4,859.28 mi (7,820.25 km) |
| Key Largo to Buxtehude | 4,844.56 mi (7,796.56 km) |
| Key Largo to Cadolzburg | 4,972.89 mi (8,003.09 km) |
| Key Largo to Calbe | 4,959.02 mi (7,980.77 km) |
| Key Largo to Calw | 4,895.67 mi (7,878.82 km) |
| Key Largo to Castrop-Rauxel | 4,782.55 mi (7,696.77 km) |
| Key Largo to Celle | 4,875.96 mi (7,847.10 km) |
| Key Largo to Cham | 5,054.14 mi (8,133.86 km) |
| Key Largo to Chemnitz | 5,028.96 mi (8,093.32 km) |
| Key Largo to Clausthal-Zellerfeld | 4,902.32 mi (7,889.53 km) |
| Key Largo to Cloppenburg | 4,789.88 mi (7,708.57 km) |
| Key Largo to Coburg | 4,959.93 mi (7,982.23 km) |
| Key Largo to Coesfeld | 4,769.42 mi (7,675.64 km) |
| Key Largo to Cologne | 4,778.00 mi (7,689.45 km) |
| Key Largo to Coswig | 5,049.59 mi (8,126.53 km) |
