| Somerville to Devnya | 4,673.00 mi (7,520.47 km) |
| Somerville to Dimitrovgrad | 4,642.90 mi (7,472.03 km) |
| Somerville to Dobrich | 4,668.72 mi (7,513.58 km) |
| Somerville to Dospat | 4,600.62 mi (7,403.99 km) |
| Somerville to Dupnitsa | 4,532.06 mi (7,293.65 km) |
| Somerville to Elhovo | 4,677.31 mi (7,527.40 km) |
| Somerville to Etropole | 4,545.15 mi (7,314.72 km) |
| Somerville to Gabrovo | 4,598.03 mi (7,399.82 km) |
| Somerville to Gorna Oryahovitsa | 4,601.79 mi (7,405.86 km) |
| Somerville to Gotse Delchev | 4,586.09 mi (7,380.60 km) |
| Somerville to Harmanli | 4,660.04 mi (7,499.61 km) |
| Somerville to Haskovo | 4,646.42 mi (7,477.70 km) |
| Somerville to Ihtiman | 4,553.81 mi (7,328.64 km) |
| Somerville to Isperih | 4,622.78 mi (7,439.65 km) |
| Somerville to Kardzhali | 4,650.09 mi (7,483.60 km) |
