| Oro Valley to Devnya | 6,590.78 mi (10,606.84 km) |
| Oro Valley to Dimitrovgrad | 6,599.68 mi (10,621.16 km) |
| Oro Valley to Dobrich | 6,578.24 mi (10,586.65 km) |
| Oro Valley to Dospat | 6,578.43 mi (10,586.96 km) |
| Oro Valley to Dupnitsa | 6,512.06 mi (10,480.15 km) |
| Oro Valley to Elhovo | 6,621.74 mi (10,656.66 km) |
| Oro Valley to Etropole | 6,507.82 mi (10,473.32 km) |
| Oro Valley to Gabrovo | 6,545.94 mi (10,534.67 km) |
| Oro Valley to Gorna Oryahovitsa | 6,541.78 mi (10,527.97 km) |
| Oro Valley to Gotse Delchev | 6,569.60 mi (10,572.75 km) |
| Oro Valley to Harmanli | 6,615.20 mi (10,646.14 km) |
| Oro Valley to Haskovo | 6,605.24 mi (10,630.10 km) |
| Oro Valley to Ihtiman | 6,524.11 mi (10,499.54 km) |
| Oro Valley to Isperih | 6,541.50 mi (10,527.52 km) |
| Oro Valley to Kardzhali | 6,615.10 mi (10,645.97 km) |
