| Conwy to Sangeorgiu de Mures | 1,331.43 mi (2,142.73 km) |
| Conwy to Sangeorz-Bai | 1,312.03 mi (2,111.51 km) |
| Conwy to Sannicolau Mare | 1,193.49 mi (1,920.74 km) |
| Conwy to Santana | 1,218.32 mi (1,960.70 km) |
| Conwy to Satu Mare | 1,224.83 mi (1,971.18 km) |
| Conwy to Scobinti | 1,404.25 mi (2,259.93 km) |
| Conwy to Scornicesti | 1,409.58 mi (2,268.50 km) |
| Conwy to Sebes | 1,316.38 mi (2,118.51 km) |
| Conwy to Seini | 1,242.41 mi (1,999.46 km) |
| Conwy to Sfantu-Gheorghe | 1,410.05 mi (2,269.25 km) |
| Conwy to Sibiu | 1,346.18 mi (2,166.47 km) |
| Conwy to Sighetu Marmatiei | 1,261.53 mi (2,030.23 km) |
| Conwy to Sighisoara | 1,356.57 mi (2,183.19 km) |
| Conwy to Simeria | 1,297.86 mi (2,088.70 km) |
| Conwy to Sinaia | 1,419.61 mi (2,284.64 km) |
