| Solon to Devnya | 5,116.98 mi (8,234.99 km) |
| Solon to Dimitrovgrad | 5,096.75 mi (8,202.43 km) |
| Solon to Dobrich | 5,110.52 mi (8,224.58 km) |
| Solon to Dospat | 5,059.61 mi (8,142.65 km) |
| Solon to Dupnitsa | 4,991.07 mi (8,032.35 km) |
| Solon to Elhovo | 5,128.25 mi (8,253.12 km) |
| Solon to Etropole | 4,999.71 mi (8,046.26 km) |
| Solon to Gabrovo | 5,049.18 mi (8,125.87 km) |
| Solon to Gorna Oryahovitsa | 5,050.90 mi (8,128.64 km) |
| Solon to Gotse Delchev | 5,046.45 mi (8,121.48 km) |
| Solon to Harmanli | 5,113.62 mi (8,229.57 km) |
| Solon to Haskovo | 5,100.84 mi (8,209.00 km) |
| Solon to Ihtiman | 5,010.45 mi (8,063.53 km) |
| Solon to Isperih | 5,066.53 mi (8,153.80 km) |
| Solon to Kardzhali | 5,106.14 mi (8,217.55 km) |
