| Harpenden to Grigiskes | 1,064.49 mi (1,713.13 km) |
| Harpenden to Ignalina | 1,107.52 mi (1,782.38 km) |
| Harpenden to Jonava | 1,032.53 mi (1,661.70 km) |
| Harpenden to Joniskis | 1,012.93 mi (1,630.16 km) |
| Harpenden to Jurbarkas | 972.78 mi (1,565.54 km) |
| Harpenden to Kaisiadorys | 1,038.77 mi (1,671.75 km) |
| Harpenden to Kalvarija | 988.86 mi (1,591.42 km) |
| Harpenden to Kaunas | 1,016.44 mi (1,635.80 km) |
| Harpenden to Kazlu Ruda | 1,000.73 mi (1,610.52 km) |
| Harpenden to Kedainiai | 1,020.90 mi (1,642.99 km) |
| Harpenden to Kelme | 982.51 mi (1,581.19 km) |
| Harpenden to Klaipeda | 915.22 mi (1,472.90 km) |
| Harpenden to Kretinga | 919.55 mi (1,479.87 km) |
| Harpenden to Kupiskis | 1,062.53 mi (1,709.98 km) |
| Harpenden to Kursenai | 984.62 mi (1,584.59 km) |
