| West Richland to Devnya | 5,928.61 mi (9,541.17 km) |
| West Richland to Dimitrovgrad | 5,964.20 mi (9,598.46 km) |
| West Richland to Dobrich | 5,911.24 mi (9,513.22 km) |
| West Richland to Dospat | 5,959.67 mi (9,591.17 km) |
| West Richland to Dupnitsa | 5,898.62 mi (9,492.91 km) |
| West Richland to Elhovo | 5,976.22 mi (9,617.79 km) |
| West Richland to Etropole | 5,881.67 mi (9,465.63 km) |
| West Richland to Gabrovo | 5,907.03 mi (9,506.45 km) |
| West Richland to Gorna Oryahovitsa | 5,897.51 mi (9,491.13 km) |
| West Richland to Gotse Delchev | 5,955.66 mi (9,584.71 km) |
| West Richland to Harmanli | 5,977.70 mi (9,620.18 km) |
| West Richland to Haskovo | 5,970.92 mi (9,609.27 km) |
| West Richland to Ihtiman | 5,902.70 mi (9,499.48 km) |
| West Richland to Isperih | 5,882.65 mi (9,467.20 km) |
| West Richland to Kardzhali | 5,984.78 mi (9,631.57 km) |
