| Kennewick to Devnya | 5,931.48 mi (9,545.80 km) |
| Kennewick to Dimitrovgrad | 5,966.67 mi (9,602.42 km) |
| Kennewick to Dobrich | 5,914.18 mi (9,517.96 km) |
| Kennewick to Dospat | 5,961.88 mi (9,594.71 km) |
| Kennewick to Dupnitsa | 5,900.71 mi (9,496.28 km) |
| Kennewick to Elhovo | 5,978.84 mi (9,622.02 km) |
| Kennewick to Etropole | 5,883.96 mi (9,469.32 km) |
| Kennewick to Gabrovo | 5,909.53 mi (9,510.47 km) |
| Kennewick to Gorna Oryahovitsa | 5,900.09 mi (9,495.28 km) |
| Kennewick to Gotse Delchev | 5,957.79 mi (9,588.14 km) |
| Kennewick to Harmanli | 5,980.20 mi (9,624.21 km) |
| Kennewick to Haskovo | 5,973.37 mi (9,613.21 km) |
| Kennewick to Ihtiman | 5,904.93 mi (9,503.06 km) |
| Kennewick to Isperih | 5,885.45 mi (9,471.72 km) |
| Kennewick to Kardzhali | 5,987.17 mi (9,635.41 km) |
