| Grand Island to Popovo | 5,671.52 mi (9,127.43 km) |
| Grand Island to Provadia | 5,718.14 mi (9,202.45 km) |
| Grand Island to Radnevo | 5,718.38 mi (9,202.85 km) |
| Grand Island to Radomir | 5,607.54 mi (9,024.47 km) |
| Grand Island to Rakitovo | 5,674.93 mi (9,132.91 km) |
| Grand Island to Rakovski | 5,687.68 mi (9,153.44 km) |
| Grand Island to Razgrad | 5,670.57 mi (9,125.89 km) |
| Grand Island to Razlog | 5,659.72 mi (9,108.44 km) |
| Grand Island to Ruse | 5,637.32 mi (9,072.38 km) |
| Grand Island to Samokov | 5,638.80 mi (9,074.77 km) |
| Grand Island to Sandanski | 5,670.12 mi (9,125.18 km) |
| Grand Island to Sevlievo | 5,653.20 mi (9,097.94 km) |
| Grand Island to Shumen | 5,697.11 mi (9,168.61 km) |
| Grand Island to Silistra | 5,662.12 mi (9,112.30 km) |
| Grand Island to Sliven | 5,710.56 mi (9,190.26 km) |
