| Widnes to Srbobran | 1,139.95 mi (1,834.57 km) |
| Widnes to Sremska Kamenica | 1,155.07 mi (1,858.91 km) |
| Widnes to Sremska Mitrovica | 1,156.90 mi (1,861.84 km) |
| Widnes to Sremski Karlovci | 1,159.58 mi (1,866.17 km) |
| Widnes to Stara Pazova | 1,177.72 mi (1,895.36 km) |
| Widnes to Subotica | 1,112.49 mi (1,790.38 km) |
| Widnes to Surcin | 1,190.00 mi (1,915.12 km) |
| Widnes to Surdulica | 1,355.35 mi (2,181.23 km) |
| Widnes to Svilajnac | 1,250.43 mi (2,012.37 km) |
| Widnes to Svrljig | 1,320.84 mi (2,125.68 km) |
| Widnes to Temerin | 1,148.64 mi (1,848.56 km) |
| Widnes to Titel | 1,173.63 mi (1,888.77 km) |
| Widnes to Topola | 1,228.71 mi (1,977.41 km) |
| Widnes to Trgoviste | 1,368.38 mi (2,202.19 km) |
| Widnes to Trstenik | 1,268.99 mi (2,042.24 km) |
