| Harrow to Selargius | 966.82 mi (1,555.94 km) |
| Harrow to Selvazzano Dentro | 700.01 mi (1,126.56 km) |
| Harrow to Senago | 598.78 mi (963.65 km) |
| Harrow to Senigallia | 830.94 mi (1,337.27 km) |
| Harrow to Seravezza | 716.74 mi (1,153.48 km) |
| Harrow to Seregno | 597.61 mi (961.77 km) |
| Harrow to Seriate | 613.26 mi (986.94 km) |
| Harrow to Sermoneta | 936.01 mi (1,506.36 km) |
| Harrow to Serramanna | 950.83 mi (1,530.21 km) |
| Harrow to Serravalle Pistoiese | 741.16 mi (1,192.78 km) |
| Harrow to Sessa Aurunca | 983.63 mi (1,583.00 km) |
| Harrow to Sesto Calende | 574.84 mi (925.12 km) |
| Harrow to Sesto Fiorentino | 756.55 mi (1,217.55 km) |
| Harrow to Sesto San Giovanni | 604.61 mi (973.02 km) |
| Harrow to Sestri Levante | 675.93 mi (1,087.80 km) |
