| Ionia to Imatra | 4,349.47 mi (6,999.79 km) |
| Ionia to Jakobstad | 4,090.97 mi (6,583.78 km) |
| Ionia to Jamsa | 4,228.62 mi (6,805.30 km) |
| Ionia to Janakkala | 4,255.62 mi (6,848.76 km) |
| Ionia to Jarvenpaa | 4,286.36 mi (6,898.23 km) |
| Ionia to Joensuu | 4,308.80 mi (6,934.34 km) |
| Ionia to Joutseno | 4,345.56 mi (6,993.50 km) |
| Ionia to Jyvaskyla | 4,226.60 mi (6,802.06 km) |
| Ionia to Jyvaskylan Maalaiskunta | 4,224.57 mi (6,798.78 km) |
| Ionia to Kaarina | 4,216.37 mi (6,785.60 km) |
| Ionia to Kajaani | 4,187.98 mi (6,739.90 km) |
| Ionia to Kalajoki | 4,097.15 mi (6,593.72 km) |
| Ionia to Kangasala | 4,216.95 mi (6,786.53 km) |
| Ionia to Kankaanpaa | 4,159.36 mi (6,693.84 km) |
| Ionia to Karhula | 4,332.91 mi (6,973.15 km) |
