| Olney to Devnya | 5,055.85 mi (8,136.61 km) |
| Olney to Dimitrovgrad | 5,026.67 mi (8,089.65 km) |
| Olney to Dobrich | 5,051.32 mi (8,129.31 km) |
| Olney to Dospat | 4,984.71 mi (8,022.12 km) |
| Olney to Dupnitsa | 4,916.14 mi (7,911.76 km) |
| Olney to Elhovo | 5,060.86 mi (8,144.66 km) |
| Olney to Etropole | 4,928.96 mi (7,932.39 km) |
| Olney to Gabrovo | 4,981.58 mi (8,017.08 km) |
| Olney to Gorna Oryahovitsa | 4,985.15 mi (8,022.82 km) |
| Olney to Gotse Delchev | 4,970.24 mi (7,998.84 km) |
| Olney to Harmanli | 5,043.79 mi (8,117.20 km) |
| Olney to Haskovo | 5,030.24 mi (8,095.39 km) |
| Olney to Ihtiman | 4,937.75 mi (7,946.55 km) |
| Olney to Isperih | 5,005.59 mi (8,055.72 km) |
| Olney to Kardzhali | 5,034.02 mi (8,101.47 km) |
