| Dayton to Isny im Allgau | 4,437.04 mi (7,140.72 km) |
| Dayton to Isselburg | 4,156.88 mi (6,689.86 km) |
| Dayton to Issum | 4,164.70 mi (6,702.43 km) |
| Dayton to Itzehoe | 4,201.05 mi (6,760.93 km) |
| Dayton to Jena | 4,379.86 mi (7,048.70 km) |
| Dayton to Jever | 4,154.23 mi (6,685.59 km) |
| Dayton to Jork | 4,219.93 mi (6,791.32 km) |
| Dayton to Juchen | 4,181.83 mi (6,730.01 km) |
| Dayton to Julich | 4,182.14 mi (6,730.50 km) |
| Dayton to Juterbog | 4,396.02 mi (7,074.71 km) |
| Dayton to Kaarst | 4,182.48 mi (6,731.04 km) |
| Dayton to Kaiserslautern | 4,286.02 mi (6,897.68 km) |
| Dayton to Kalkar | 4,153.30 mi (6,684.09 km) |
| Dayton to Kall | 4,201.67 mi (6,761.94 km) |
| Dayton to Kaltenkirchen | 4,219.74 mi (6,791.01 km) |
