| Irmo to Haram | 4,074.77 mi (6,557.71 km) |
| Irmo to Harstad | 4,225.59 mi (6,800.42 km) |
| Irmo to Haugesund | 4,106.35 mi (6,608.54 km) |
| Irmo to Helleland | 4,132.07 mi (6,649.92 km) |
| Irmo to Heum | 4,275.05 mi (6,880.03 km) |
| Irmo to Honefoss | 4,256.20 mi (6,849.69 km) |
| Irmo to Horten | 4,278.18 mi (6,885.07 km) |
| Irmo to Kaldsletta | 4,256.53 mi (6,850.22 km) |
| Irmo to Kirkenes | 4,493.83 mi (7,232.12 km) |
| Irmo to Kleppe | 4,129.69 mi (6,646.10 km) |
| Irmo to Kongsberg | 4,246.61 mi (6,834.27 km) |
| Irmo to Kongsvinger | 4,310.29 mi (6,936.74 km) |
| Irmo to Kopervik | 4,109.69 mi (6,613.91 km) |
| Irmo to Kosvik | 4,227.97 mi (6,804.26 km) |
| Irmo to Kragero | 4,254.63 mi (6,847.16 km) |
