| Somersworth to Karlovo | 4,541.43 mi (7,308.73 km) |
| Somersworth to Karnobat | 4,629.18 mi (7,449.95 km) |
| Somersworth to Kavarna | 4,648.00 mi (7,480.23 km) |
| Somersworth to Kazanlak | 4,566.47 mi (7,349.03 km) |
| Somersworth to Knezha | 4,476.64 mi (7,204.45 km) |
| Somersworth to Kostinbrod | 4,469.72 mi (7,193.32 km) |
| Somersworth to Kozloduy | 4,450.92 mi (7,163.06 km) |
| Somersworth to Kyustendil | 4,469.82 mi (7,193.48 km) |
| Somersworth to Levski | 4,524.27 mi (7,281.11 km) |
| Somersworth to Lom | 4,429.26 mi (7,128.21 km) |
| Somersworth to Lovech | 4,517.27 mi (7,269.85 km) |
| Somersworth to Lukovit | 4,492.40 mi (7,229.81 km) |
| Somersworth to Lyaskovets | 4,558.79 mi (7,336.66 km) |
| Somersworth to Mezdra | 4,475.62 mi (7,202.81 km) |
| Somersworth to Momchilgrad | 4,613.06 mi (7,424.00 km) |
