| Cities | Distance |
|---|---|
| Olbia to Haarlem | 824.72 mi (1,327.26 km) |
| Olbia to Hardenberg | 816.26 mi (1,313.64 km) |
| Olbia to Harderwijk | 810.86 mi (1,304.95 km) |
| Olbia to Hardinxveld-Giessendam | 784.88 mi (1,263.14 km) |
| Olbia to Haren | 857.15 mi (1,379.45 km) |
| Olbia to Harenkarspel | 846.11 mi (1,361.68 km) |
| Olbia to Harlingen | 867.94 mi (1,396.82 km) |
| Olbia to Hattem | 814.20 mi (1,310.33 km) |
| Olbia to Heemskerk | 833.06 mi (1,340.68 km) |
| Olbia to Heemstede | 822.75 mi (1,324.10 km) |
| Olbia to Heerde | 808.74 mi (1,301.54 km) |
| Olbia to Heerenveen | 848.00 mi (1,364.73 km) |
| Olbia to Heerhugowaard | 840.87 mi (1,353.25 km) |
| Olbia to Heerlen | 708.87 mi (1,140.81 km) |
| Olbia to Heerlerbaan | 707.62 mi (1,138.80 km) |