| Williamsport to Prokuplje | 4,720.53 mi (7,596.95 km) |
| Williamsport to Raca | 4,655.23 mi (7,491.87 km) |
| Williamsport to Raska | 4,678.94 mi (7,530.02 km) |
| Williamsport to Razanj | 4,701.17 mi (7,565.80 km) |
| Williamsport to Rekovac | 4,676.24 mi (7,525.67 km) |
| Williamsport to Ruma | 4,578.37 mi (7,368.18 km) |
| Williamsport to Sabac | 4,582.57 mi (7,374.94 km) |
| Williamsport to Secanj | 4,600.86 mi (7,404.37 km) |
| Williamsport to Senta | 4,551.38 mi (7,324.74 km) |
| Williamsport to Sid | 4,549.79 mi (7,322.18 km) |
| Williamsport to Sjenica | 4,654.98 mi (7,491.46 km) |
| Williamsport to Smederevo | 4,635.54 mi (7,460.18 km) |
| Williamsport to Smederevska Palanka | 4,648.85 mi (7,481.61 km) |
| Williamsport to Sokobanja | 4,714.54 mi (7,587.31 km) |
| Williamsport to Sombor | 4,518.84 mi (7,272.36 km) |
