| Harstad to Popovo | 1,792.74 mi (2,885.14 km) |
| Harstad to Provadia | 1,813.00 mi (2,917.74 km) |
| Harstad to Radnevo | 1,862.59 mi (2,997.54 km) |
| Harstad to Radomir | 1,828.61 mi (2,942.86 km) |
| Harstad to Rakitovo | 1,873.22 mi (3,014.65 km) |
| Harstad to Rakovski | 1,857.27 mi (2,988.98 km) |
| Harstad to Razgrad | 1,782.22 mi (2,868.20 km) |
| Harstad to Razlog | 1,876.93 mi (3,020.63 km) |
| Harstad to Ruse | 1,758.44 mi (2,829.93 km) |
| Harstad to Samokov | 1,846.16 mi (2,971.11 km) |
| Harstad to Sandanski | 1,897.72 mi (3,054.09 km) |
| Harstad to Sevlievo | 1,807.59 mi (2,909.04 km) |
| Harstad to Shumen | 1,802.36 mi (2,900.62 km) |
| Harstad to Silistra | 1,747.92 mi (2,813.00 km) |
| Harstad to Sliven | 1,839.06 mi (2,959.69 km) |
