| Keene to Popovo | 4,637.81 mi (7,463.84 km) |
| Keene to Provadia | 4,692.21 mi (7,551.38 km) |
| Keene to Radnevo | 4,670.87 mi (7,517.03 km) |
| Keene to Radomir | 4,539.86 mi (7,306.20 km) |
| Keene to Rakitovo | 4,609.68 mi (7,418.57 km) |
| Keene to Rakovski | 4,632.48 mi (7,455.26 km) |
| Keene to Razgrad | 4,641.13 mi (7,469.18 km) |
| Keene to Razlog | 4,588.75 mi (7,384.88 km) |
| Keene to Ruse | 4,606.65 mi (7,413.68 km) |
| Keene to Samokov | 4,573.36 mi (7,360.10 km) |
| Keene to Sandanski | 4,594.42 mi (7,394.00 km) |
| Keene to Sevlievo | 4,607.15 mi (7,414.49 km) |
| Keene to Shumen | 4,668.25 mi (7,512.83 km) |
| Keene to Silistra | 4,645.14 mi (7,475.64 km) |
| Keene to Sliven | 4,670.36 mi (7,516.22 km) |
