| Eau Claire to Popovo | 5,243.12 mi (8,437.99 km) |
| Eau Claire to Provadia | 5,290.76 mi (8,514.65 km) |
| Eau Claire to Radnevo | 5,288.58 mi (8,511.14 km) |
| Eau Claire to Radomir | 5,175.43 mi (8,329.05 km) |
| Eau Claire to Rakitovo | 5,243.19 mi (8,438.10 km) |
| Eau Claire to Rakovski | 5,256.99 mi (8,460.31 km) |
| Eau Claire to Razgrad | 5,242.66 mi (8,437.24 km) |
| Eau Claire to Razlog | 5,227.40 mi (8,412.68 km) |
| Eau Claire to Ruse | 5,209.18 mi (8,383.37 km) |
| Eau Claire to Samokov | 5,206.97 mi (8,379.81 km) |
| Eau Claire to Sandanski | 5,237.37 mi (8,428.73 km) |
| Eau Claire to Sevlievo | 5,223.40 mi (8,406.25 km) |
| Eau Claire to Shumen | 5,269.34 mi (8,480.18 km) |
| Eau Claire to Silistra | 5,235.65 mi (8,425.96 km) |
| Eau Claire to Sliven | 5,281.54 mi (8,499.82 km) |
