| Griffin to Popovo | 5,569.33 mi (8,962.96 km) |
| Griffin to Provadia | 5,624.08 mi (9,051.08 km) |
| Griffin to Radnevo | 5,601.33 mi (9,014.47 km) |
| Griffin to Radomir | 5,468.72 mi (8,801.06 km) |
| Griffin to Rakitovo | 5,538.62 mi (8,913.55 km) |
| Griffin to Rakovski | 5,562.36 mi (8,951.76 km) |
| Griffin to Razgrad | 5,572.89 mi (8,968.70 km) |
| Griffin to Razlog | 5,517.10 mi (8,878.92 km) |
| Griffin to Ruse | 5,538.39 mi (8,913.17 km) |
| Griffin to Samokov | 5,502.37 mi (8,855.21 km) |
| Griffin to Sandanski | 5,522.19 mi (8,887.11 km) |
| Griffin to Sevlievo | 5,537.86 mi (8,912.33 km) |
| Griffin to Shumen | 5,600.00 mi (9,012.33 km) |
| Griffin to Silistra | 5,577.48 mi (8,976.09 km) |
| Griffin to Sliven | 5,601.38 mi (9,014.55 km) |
