| Oconomowoc to Popovo | 5,230.66 mi (8,417.94 km) |
| Oconomowoc to Provadia | 5,280.16 mi (8,497.60 km) |
| Oconomowoc to Radnevo | 5,273.16 mi (8,486.34 km) |
| Oconomowoc to Radomir | 5,155.05 mi (8,296.25 km) |
| Oconomowoc to Rakitovo | 5,223.58 mi (8,406.54 km) |
| Oconomowoc to Rakovski | 5,239.74 mi (8,432.54 km) |
| Oconomowoc to Razgrad | 5,231.14 mi (8,418.71 km) |
| Oconomowoc to Razlog | 5,206.41 mi (8,378.90 km) |
| Oconomowoc to Ruse | 5,197.29 mi (8,364.22 km) |
| Oconomowoc to Samokov | 5,187.20 mi (8,348.00 km) |
| Oconomowoc to Sandanski | 5,215.30 mi (8,393.21 km) |
| Oconomowoc to Sevlievo | 5,208.12 mi (8,381.65 km) |
| Oconomowoc to Shumen | 5,258.03 mi (8,461.98 km) |
| Oconomowoc to Silistra | 5,226.84 mi (8,411.78 km) |
| Oconomowoc to Sliven | 5,267.75 mi (8,477.62 km) |
