| Mullingar to Isny im Allgau | 858.78 mi (1,382.07 km) |
| Mullingar to Isselburg | 588.95 mi (947.83 km) |
| Mullingar to Issum | 593.41 mi (955.00 km) |
| Mullingar to Itzehoe | 687.95 mi (1,107.15 km) |
| Mullingar to Jena | 818.14 mi (1,316.66 km) |
| Mullingar to Jever | 624.38 mi (1,004.84 km) |
| Mullingar to Jork | 697.34 mi (1,122.26 km) |
| Mullingar to Juchen | 606.95 mi (976.80 km) |
| Mullingar to Julich | 605.80 mi (974.94 km) |
| Mullingar to Juterbog | 856.96 mi (1,379.15 km) |
| Mullingar to Kaarst | 608.75 mi (979.68 km) |
| Mullingar to Kaiserslautern | 706.65 mi (1,137.24 km) |
| Mullingar to Kalkar | 583.76 mi (939.48 km) |
| Mullingar to Kall | 623.77 mi (1,003.85 km) |
| Mullingar to Kaltenkirchen | 706.47 mi (1,136.95 km) |
