| Sintra to Hizan | 2,762.79 mi (4,446.29 km) |
| Sintra to Hopa | 2,652.69 mi (4,269.10 km) |
| Sintra to Huyuk | 2,201.90 mi (3,543.61 km) |
| Sintra to Idil | 2,754.00 mi (4,432.14 km) |
| Sintra to Igdir | 2,811.73 mi (4,525.03 km) |
| Sintra to Ihsaniye | 2,122.49 mi (3,415.82 km) |
| Sintra to Ilic | 2,539.49 mi (4,086.91 km) |
| Sintra to Ilica | 2,661.34 mi (4,283.01 km) |
| Sintra to Incesu | 2,378.63 mi (3,828.04 km) |
| Sintra to Incirliova | 1,998.71 mi (3,216.62 km) |
| Sintra to Inebolu | 2,257.36 mi (3,632.88 km) |
| Sintra to Inegol | 2,060.88 mi (3,316.66 km) |
| Sintra to Ipsala | 1,889.56 mi (3,040.96 km) |
| Sintra to Iskenderun | 2,469.51 mi (3,974.30 km) |
| Sintra to Islahiye | 2,485.07 mi (3,999.34 km) |
