| Zarautz to Popovo | 1,420.73 mi (2,286.44 km) |
| Zarautz to Provadia | 1,482.19 mi (2,385.35 km) |
| Zarautz to Radnevo | 1,419.64 mi (2,284.69 km) |
| Zarautz to Radomir | 1,267.13 mi (2,039.25 km) |
| Zarautz to Rakitovo | 1,331.87 mi (2,143.43 km) |
| Zarautz to Rakovski | 1,371.47 mi (2,207.17 km) |
| Zarautz to Razgrad | 1,432.67 mi (2,305.65 km) |
| Zarautz to Razlog | 1,302.50 mi (2,096.17 km) |
| Zarautz to Ruse | 1,401.81 mi (2,256.00 km) |
| Zarautz to Samokov | 1,300.27 mi (2,092.59 km) |
| Zarautz to Sandanski | 1,298.28 mi (2,089.38 km) |
| Zarautz to Sevlievo | 1,369.00 mi (2,203.20 km) |
| Zarautz to Shumen | 1,456.19 mi (2,343.51 km) |
| Zarautz to Silistra | 1,463.23 mi (2,354.84 km) |
| Zarautz to Sliven | 1,434.13 mi (2,308.01 km) |
