| Coolidge to Devnya | 6,574.95 mi (10,581.36 km) |
| Coolidge to Dimitrovgrad | 6,585.33 mi (10,598.06 km) |
| Coolidge to Dobrich | 6,562.12 mi (10,560.72 km) |
| Coolidge to Dospat | 6,564.96 mi (10,565.28 km) |
| Coolidge to Dupnitsa | 6,498.79 mi (10,458.80 km) |
| Coolidge to Elhovo | 6,606.86 mi (10,632.71 km) |
| Coolidge to Etropole | 6,493.86 mi (10,450.86 km) |
| Coolidge to Gabrovo | 6,531.33 mi (10,511.16 km) |
| Coolidge to Gorna Oryahovitsa | 6,526.87 mi (10,503.99 km) |
| Coolidge to Gotse Delchev | 6,556.37 mi (10,551.47 km) |
| Coolidge to Harmanli | 6,600.75 mi (10,622.88 km) |
| Coolidge to Haskovo | 6,590.95 mi (10,607.11 km) |
| Coolidge to Ihtiman | 6,510.43 mi (10,477.52 km) |
| Coolidge to Isperih | 6,525.79 mi (10,502.25 km) |
| Coolidge to Kardzhali | 6,601.04 mi (10,623.34 km) |
