| Rock Island to Sangeorgiu de Mures | 5,166.59 mi (8,314.82 km) |
| Rock Island to Sangeorz-Bai | 5,133.41 mi (8,261.43 km) |
| Rock Island to Sannicolau Mare | 5,058.16 mi (8,140.32 km) |
| Rock Island to Santana | 5,075.42 mi (8,168.11 km) |
| Rock Island to Satu Mare | 5,053.69 mi (8,133.13 km) |
| Rock Island to Scobinti | 5,206.07 mi (8,378.36 km) |
| Rock Island to Scornicesti | 5,266.99 mi (8,476.39 km) |
| Rock Island to Sebes | 5,165.21 mi (8,312.60 km) |
| Rock Island to Seini | 5,068.88 mi (8,157.57 km) |
| Rock Island to Sfantu-Gheorghe | 5,244.63 mi (8,440.41 km) |
| Rock Island to Sibiu | 5,193.16 mi (8,357.58 km) |
| Rock Island to Sighetu Marmatiei | 5,080.20 mi (8,175.80 km) |
| Rock Island to Sighisoara | 5,193.83 mi (8,358.67 km) |
| Rock Island to Simeria | 5,151.43 mi (8,290.42 km) |
| Rock Island to Sinaia | 5,262.33 mi (8,468.90 km) |
