| Penafiel to Hizan | 2,664.73 mi (4,288.47 km) |
| Penafiel to Hopa | 2,543.45 mi (4,093.29 km) |
| Penafiel to Huyuk | 2,116.96 mi (3,406.92 km) |
| Penafiel to Idil | 2,659.92 mi (4,280.72 km) |
| Penafiel to Igdir | 2,705.77 mi (4,354.51 km) |
| Penafiel to Ihsaniye | 2,033.40 mi (3,272.44 km) |
| Penafiel to Ilic | 2,440.41 mi (3,927.46 km) |
| Penafiel to Ilica | 2,557.93 mi (4,116.59 km) |
| Penafiel to Incesu | 2,286.53 mi (3,679.82 km) |
| Penafiel to Incirliova | 1,918.98 mi (3,088.31 km) |
| Penafiel to Inebolu | 2,151.22 mi (3,462.05 km) |
| Penafiel to Inegol | 1,967.24 mi (3,165.96 km) |
| Penafiel to Ipsala | 1,793.90 mi (2,887.01 km) |
| Penafiel to Iskenderun | 2,385.41 mi (3,838.94 km) |
| Penafiel to Islahiye | 2,398.43 mi (3,859.90 km) |
