| London Colney to Sangeorgiu de Mures | 1,168.68 mi (1,880.80 km) |
| London Colney to Sangeorz-Bai | 1,153.23 mi (1,855.94 km) |
| London Colney to Sannicolau Mare | 1,022.81 mi (1,646.05 km) |
| London Colney to Santana | 1,050.09 mi (1,689.96 km) |
| London Colney to Satu Mare | 1,065.20 mi (1,714.27 km) |
| London Colney to Scobinti | 1,249.03 mi (2,010.12 km) |
| London Colney to Scornicesti | 1,239.87 mi (1,995.37 km) |
| London Colney to Sebes | 1,149.89 mi (1,850.58 km) |
| London Colney to Seini | 1,083.20 mi (1,743.24 km) |
| London Colney to Sfantu-Gheorghe | 1,246.63 mi (2,006.26 km) |
| London Colney to Sibiu | 1,179.97 mi (1,898.98 km) |
| London Colney to Sighetu Marmatiei | 1,104.19 mi (1,777.02 km) |
| London Colney to Sighisoara | 1,192.98 mi (1,919.91 km) |
| London Colney to Simeria | 1,130.10 mi (1,818.73 km) |
| London Colney to Sinaia | 1,253.95 mi (2,018.04 km) |
