| Norton Shores to Popovo | 5,149.57 mi (8,287.43 km) |
| Norton Shores to Provadia | 5,199.81 mi (8,368.28 km) |
| Norton Shores to Radnevo | 5,190.81 mi (8,353.81 km) |
| Norton Shores to Radomir | 5,070.77 mi (8,160.62 km) |
| Norton Shores to Rakitovo | 5,139.57 mi (8,271.33 km) |
| Norton Shores to Rakovski | 5,156.66 mi (8,298.85 km) |
| Norton Shores to Razgrad | 5,150.44 mi (8,288.82 km) |
| Norton Shores to Razlog | 5,121.85 mi (8,242.83 km) |
| Norton Shores to Ruse | 5,116.45 mi (8,234.13 km) |
| Norton Shores to Samokov | 5,103.15 mi (8,212.73 km) |
| Norton Shores to Sandanski | 5,130.31 mi (8,256.44 km) |
| Norton Shores to Sevlievo | 5,125.87 mi (8,249.29 km) |
| Norton Shores to Shumen | 5,177.39 mi (8,332.21 km) |
| Norton Shores to Silistra | 5,147.27 mi (8,283.74 km) |
| Norton Shores to Sliven | 5,186.07 mi (8,346.18 km) |
