| Mattoon to Isny im Allgau | 4,614.05 mi (7,425.59 km) |
| Mattoon to Isselburg | 4,327.47 mi (6,964.38 km) |
| Mattoon to Issum | 4,336.05 mi (6,978.19 km) |
| Mattoon to Itzehoe | 4,363.67 mi (7,022.65 km) |
| Mattoon to Jena | 4,548.05 mi (7,319.38 km) |
| Mattoon to Jever | 4,319.17 mi (6,951.03 km) |
| Mattoon to Jork | 4,383.42 mi (7,054.43 km) |
| Mattoon to Juchen | 4,354.18 mi (7,007.38 km) |
| Mattoon to Julich | 4,355.05 mi (7,008.77 km) |
| Mattoon to Juterbog | 4,560.22 mi (7,338.97 km) |
| Mattoon to Kaarst | 4,354.45 mi (7,007.81 km) |
| Mattoon to Kaiserslautern | 4,461.19 mi (7,179.59 km) |
| Mattoon to Kalkar | 4,324.27 mi (6,959.23 km) |
| Mattoon to Kall | 4,375.31 mi (7,041.39 km) |
| Mattoon to Kaltenkirchen | 4,382.19 mi (7,052.45 km) |
