| Green River to Popovo | 5,959.95 mi (9,591.62 km) |
| Green River to Provadia | 6,001.09 mi (9,657.82 km) |
| Green River to Radnevo | 6,013.70 mi (9,678.12 km) |
| Green River to Radomir | 5,916.93 mi (9,522.38 km) |
| Green River to Rakitovo | 5,981.47 mi (9,626.25 km) |
| Green River to Rakovski | 5,988.12 mi (9,636.94 km) |
| Green River to Razgrad | 5,956.59 mi (9,586.20 km) |
| Green River to Razlog | 5,969.94 mi (9,607.69 km) |
| Green River to Ruse | 5,924.79 mi (9,535.03 km) |
| Green River to Samokov | 5,946.23 mi (9,569.53 km) |
| Green River to Sandanski | 5,982.90 mi (9,628.54 km) |
| Green River to Sevlievo | 5,949.10 mi (9,574.16 km) |
| Green River to Shumen | 5,982.21 mi (9,627.43 km) |
| Green River to Silistra | 5,941.28 mi (9,561.57 km) |
| Green River to Sliven | 6,001.85 mi (9,659.04 km) |
