| Niagara Falls to Prokuplje | 4,717.64 mi (7,592.31 km) |
| Niagara Falls to Raca | 4,650.74 mi (7,484.64 km) |
| Niagara Falls to Raska | 4,677.27 mi (7,527.34 km) |
| Niagara Falls to Razanj | 4,697.29 mi (7,559.56 km) |
| Niagara Falls to Rekovac | 4,672.44 mi (7,519.56 km) |
| Niagara Falls to Ruma | 4,573.52 mi (7,360.36 km) |
| Niagara Falls to Sabac | 4,578.51 mi (7,368.40 km) |
| Niagara Falls to Secanj | 4,593.86 mi (7,393.11 km) |
| Niagara Falls to Senta | 4,543.86 mi (7,312.64 km) |
| Niagara Falls to Sid | 4,545.43 mi (7,315.16 km) |
| Niagara Falls to Sjenica | 4,654.19 mi (7,490.20 km) |
| Niagara Falls to Smederevo | 4,630.07 mi (7,451.38 km) |
| Niagara Falls to Smederevska Palanka | 4,644.07 mi (7,473.91 km) |
| Niagara Falls to Sokobanja | 4,710.26 mi (7,580.44 km) |
| Niagara Falls to Sombor | 4,512.94 mi (7,262.88 km) |
