| Middle River to Zottegem | 3,795.08 mi (6,107.59 km) |
| Middle River to Zulte | 3,778.93 mi (6,081.60 km) |
| Middle River to Zwevegem | 3,777.77 mi (6,079.73 km) |
| Middle River to Zwijndrecht | 3,807.81 mi (6,128.08 km) |
| Middle River to Asenovgrad | 4,962.96 mi (7,987.11 km) |
| Middle River to Aytos | 5,030.59 mi (8,095.96 km) |
| Middle River to Balchik | 5,035.59 mi (8,104.00 km) |
| Middle River to Bankya | 4,863.74 mi (7,827.43 km) |
| Middle River to Bansko | 4,913.54 mi (7,907.57 km) |
| Middle River to Berkovitsa | 4,841.47 mi (7,791.59 km) |
| Middle River to Blagoevgrad | 4,889.91 mi (7,869.54 km) |
| Middle River to Botevgrad | 4,882.35 mi (7,857.39 km) |
| Middle River to Burgas | 5,047.81 mi (8,123.67 km) |
| Middle River to Byala Slatina | 4,865.20 mi (7,829.79 km) |
| Middle River to Chirpan | 4,974.02 mi (8,004.92 km) |
