| Southborough to Grigiskes | 1,056.70 mi (1,700.60 km) |
| Southborough to Ignalina | 1,101.95 mi (1,773.42 km) |
| Southborough to Jonava | 1,026.24 mi (1,651.57 km) |
| Southborough to Joniskis | 1,010.94 mi (1,626.95 km) |
| Southborough to Jurbarkas | 966.78 mi (1,555.89 km) |
| Southborough to Kaisiadorys | 1,031.74 mi (1,660.42 km) |
| Southborough to Kalvarija | 980.32 mi (1,577.67 km) |
| Southborough to Kaunas | 1,009.57 mi (1,624.75 km) |
| Southborough to Kazlu Ruda | 993.38 mi (1,598.69 km) |
| Southborough to Kedainiai | 1,015.41 mi (1,634.15 km) |
| Southborough to Kelme | 978.52 mi (1,574.78 km) |
| Southborough to Klaipeda | 912.26 mi (1,468.14 km) |
| Southborough to Kretinga | 917.11 mi (1,475.95 km) |
| Southborough to Kupiskis | 1,058.78 mi (1,703.95 km) |
| Southborough to Kursenai | 981.93 mi (1,580.26 km) |
