| Ada to Hameenkyro | 1,100.84 mi (1,771.63 km) |
| Ada to Hameenlinna | 1,064.33 mi (1,712.87 km) |
| Ada to Hamina | 1,059.95 mi (1,705.82 km) |
| Ada to Hanko | 976.57 mi (1,571.65 km) |
| Ada to Hattula | 1,067.85 mi (1,718.54 km) |
| Ada to Haukipudas | 1,353.64 mi (2,178.47 km) |
| Ada to Hausjarvi | 1,054.40 mi (1,696.89 km) |
| Ada to Heinola | 1,090.24 mi (1,754.58 km) |
| Ada to Helsinki | 1,012.18 mi (1,628.94 km) |
| Ada to Hollola | 1,071.70 mi (1,724.74 km) |
| Ada to Huittinen | 1,067.33 mi (1,717.71 km) |
| Ada to Hyvinkaa | 1,042.64 mi (1,677.96 km) |
| Ada to Ii | 1,362.81 mi (2,193.23 km) |
| Ada to Iisalmi | 1,257.64 mi (2,023.98 km) |
| Ada to Ilmajoki | 1,173.94 mi (1,889.27 km) |
