| Wallingford Center to Devnya | 4,782.49 mi (7,696.68 km) |
| Wallingford Center to Dimitrovgrad | 4,752.52 mi (7,648.45 km) |
| Wallingford Center to Dobrich | 4,778.17 mi (7,689.72 km) |
| Wallingford Center to Dospat | 4,710.27 mi (7,580.44 km) |
| Wallingford Center to Dupnitsa | 4,641.70 mi (7,470.10 km) |
| Wallingford Center to Elhovo | 4,786.91 mi (7,703.78 km) |
| Wallingford Center to Etropole | 4,654.78 mi (7,491.15 km) |
| Wallingford Center to Gabrovo | 4,707.63 mi (7,576.20 km) |
| Wallingford Center to Gorna Oryahovitsa | 4,711.36 mi (7,582.20 km) |
| Wallingford Center to Gotse Delchev | 4,695.74 mi (7,557.06 km) |
| Wallingford Center to Harmanli | 4,769.66 mi (7,676.03 km) |
| Wallingford Center to Haskovo | 4,756.05 mi (7,654.13 km) |
| Wallingford Center to Ihtiman | 4,663.45 mi (7,505.09 km) |
| Wallingford Center to Isperih | 4,732.27 mi (7,615.85 km) |
| Wallingford Center to Kardzhali | 4,759.73 mi (7,660.04 km) |
