| Fredrikstad to Popovo | 1,272.41 mi (2,047.75 km) |
| Fredrikstad to Provadia | 1,309.18 mi (2,106.92 km) |
| Fredrikstad to Radnevo | 1,332.16 mi (2,143.91 km) |
| Fredrikstad to Radomir | 1,259.62 mi (2,027.16 km) |
| Fredrikstad to Rakitovo | 1,316.51 mi (2,118.72 km) |
| Fredrikstad to Rakovski | 1,313.57 mi (2,113.99 km) |
| Fredrikstad to Razgrad | 1,267.13 mi (2,039.25 km) |
| Fredrikstad to Razlog | 1,311.93 mi (2,111.35 km) |
| Fredrikstad to Ruse | 1,236.89 mi (1,990.58 km) |
| Fredrikstad to Samokov | 1,284.09 mi (2,066.54 km) |
| Fredrikstad to Sandanski | 1,329.24 mi (2,139.21 km) |
| Fredrikstad to Sevlievo | 1,269.57 mi (2,043.17 km) |
| Fredrikstad to Shumen | 1,291.82 mi (2,078.99 km) |
| Fredrikstad to Silistra | 1,247.80 mi (2,008.14 km) |
| Fredrikstad to Sliven | 1,316.31 mi (2,118.40 km) |
