| Grenchen to Hizan | 1,864.92 mi (3,001.30 km) |
| Grenchen to Hopa | 1,715.14 mi (2,760.25 km) |
| Grenchen to Huyuk | 1,379.00 mi (2,219.29 km) |
| Grenchen to Idil | 1,872.09 mi (3,012.83 km) |
| Grenchen to Igdir | 1,883.51 mi (3,031.22 km) |
| Grenchen to Ihsaniye | 1,284.17 mi (2,066.67 km) |
| Grenchen to Ilic | 1,642.45 mi (2,643.26 km) |
| Grenchen to Ilica | 1,744.92 mi (2,808.17 km) |
| Grenchen to Incesu | 1,515.54 mi (2,439.03 km) |
| Grenchen to Incirliova | 1,214.09 mi (1,953.89 km) |
| Grenchen to Inebolu | 1,339.36 mi (2,155.49 km) |
| Grenchen to Inegol | 1,204.57 mi (1,938.57 km) |
| Grenchen to Ipsala | 1,033.92 mi (1,663.94 km) |
| Grenchen to Iskenderun | 1,638.60 mi (2,637.07 km) |
| Grenchen to Islahiye | 1,642.25 mi (2,642.95 km) |
