| Willow Grove to Prokuplje | 4,689.70 mi (7,547.34 km) |
| Willow Grove to Raca | 4,625.69 mi (7,444.33 km) |
| Willow Grove to Raska | 4,647.25 mi (7,479.03 km) |
| Willow Grove to Razanj | 4,671.11 mi (7,517.43 km) |
| Willow Grove to Rekovac | 4,646.15 mi (7,477.26 km) |
| Willow Grove to Ruma | 4,549.21 mi (7,321.24 km) |
| Willow Grove to Sabac | 4,552.81 mi (7,327.04 km) |
| Willow Grove to Secanj | 4,573.28 mi (7,359.99 km) |
| Willow Grove to Senta | 4,524.26 mi (7,281.09 km) |
| Willow Grove to Sid | 4,520.30 mi (7,274.71 km) |
| Willow Grove to Sjenica | 4,622.67 mi (7,439.47 km) |
| Willow Grove to Smederevo | 4,606.77 mi (7,413.87 km) |
| Willow Grove to Smederevska Palanka | 4,619.54 mi (7,434.43 km) |
| Willow Grove to Sokobanja | 4,684.76 mi (7,539.39 km) |
| Willow Grove to Sombor | 4,490.54 mi (7,226.82 km) |
