| Willoughby to Prokuplje | 4,875.45 mi (7,846.28 km) |
| Willoughby to Raca | 4,808.51 mi (7,738.55 km) |
| Willoughby to Raska | 4,835.09 mi (7,781.33 km) |
| Willoughby to Razanj | 4,855.07 mi (7,813.49 km) |
| Willoughby to Rekovac | 4,830.23 mi (7,773.50 km) |
| Willoughby to Ruma | 4,731.28 mi (7,614.26 km) |
| Willoughby to Sabac | 4,736.29 mi (7,622.33 km) |
| Willoughby to Secanj | 4,751.55 mi (7,646.88 km) |
| Willoughby to Senta | 4,701.53 mi (7,566.37 km) |
| Willoughby to Sid | 4,703.21 mi (7,569.08 km) |
| Willoughby to Sjenica | 4,812.02 mi (7,744.20 km) |
| Willoughby to Smederevo | 4,787.81 mi (7,705.24 km) |
| Willoughby to Smederevska Palanka | 4,801.84 mi (7,727.81 km) |
| Willoughby to Sokobanja | 4,868.04 mi (7,834.35 km) |
| Willoughby to Sombor | 4,670.67 mi (7,516.72 km) |
