| Harrow Weald to Selargius | 967.84 mi (1,557.59 km) |
| Harrow Weald to Selvazzano Dentro | 700.51 mi (1,127.37 km) |
| Harrow Weald to Senago | 599.45 mi (964.72 km) |
| Harrow Weald to Senigallia | 831.50 mi (1,338.18 km) |
| Harrow Weald to Seravezza | 717.46 mi (1,154.65 km) |
| Harrow Weald to Seregno | 598.27 mi (962.82 km) |
| Harrow Weald to Seriate | 613.87 mi (987.93 km) |
| Harrow Weald to Sermoneta | 936.73 mi (1,507.52 km) |
| Harrow Weald to Serramanna | 951.87 mi (1,531.88 km) |
| Harrow Weald to Serravalle Pistoiese | 741.85 mi (1,193.90 km) |
| Harrow Weald to Sessa Aurunca | 984.32 mi (1,584.11 km) |
| Harrow Weald to Sesto Calende | 575.53 mi (926.23 km) |
| Harrow Weald to Sesto Fiorentino | 757.23 mi (1,218.64 km) |
| Harrow Weald to Sesto San Giovanni | 605.27 mi (974.09 km) |
| Harrow Weald to Sestri Levante | 676.69 mi (1,089.03 km) |
