| Kirkcaldy to Popovo | 1,562.85 mi (2,515.16 km) |
| Kirkcaldy to Provadia | 1,614.01 mi (2,597.50 km) |
| Kirkcaldy to Radnevo | 1,604.03 mi (2,581.43 km) |
| Kirkcaldy to Radomir | 1,488.07 mi (2,394.82 km) |
| Kirkcaldy to Rakitovo | 1,555.91 mi (2,503.99 km) |
| Kirkcaldy to Rakovski | 1,570.77 mi (2,527.91 km) |
| Kirkcaldy to Razgrad | 1,564.14 mi (2,517.25 km) |
| Kirkcaldy to Razlog | 1,540.07 mi (2,478.51 km) |
| Kirkcaldy to Ruse | 1,530.01 mi (2,462.31 km) |
| Kirkcaldy to Samokov | 1,519.66 mi (2,445.65 km) |
| Kirkcaldy to Sandanski | 1,550.30 mi (2,494.97 km) |
| Kirkcaldy to Sevlievo | 1,539.01 mi (2,476.80 km) |
| Kirkcaldy to Shumen | 1,591.18 mi (2,560.75 km) |
| Kirkcaldy to Silistra | 1,563.30 mi (2,515.89 km) |
| Kirkcaldy to Sliven | 1,599.07 mi (2,573.46 km) |
