| Irmo to Haaren | 4,275.02 mi (6,879.97 km) |
| Irmo to Haarlem | 4,232.50 mi (6,811.55 km) |
| Irmo to Hardenberg | 4,306.42 mi (6,930.51 km) |
| Irmo to Harderwijk | 4,272.28 mi (6,875.56 km) |
| Irmo to Hardinxveld-Giessendam | 4,253.77 mi (6,845.78 km) |
| Irmo to Haren | 4,291.09 mi (6,905.85 km) |
| Irmo to Harenkarspel | 4,229.80 mi (6,807.20 km) |
| Irmo to Harlingen | 4,245.33 mi (6,832.21 km) |
| Irmo to Hattem | 4,287.23 mi (6,899.64 km) |
| Irmo to Heemskerk | 4,230.73 mi (6,808.70 km) |
| Irmo to Heemstede | 4,232.61 mi (6,811.73 km) |
| Irmo to Heerde | 4,288.60 mi (6,901.84 km) |
| Irmo to Heerenveen | 4,270.36 mi (6,872.49 km) |
| Irmo to Heerhugowaard | 4,233.84 mi (6,813.71 km) |
| Irmo to Heerlen | 4,322.96 mi (6,957.13 km) |
