| Harrow to Sacile | 700.44 mi (1,127.25 km) |
| Harrow to Sala Consilina | 1,083.16 mi (1,743.17 km) |
| Harrow to Salemi | 1,145.77 mi (1,843.95 km) |
| Harrow to Salerno | 1,040.37 mi (1,674.31 km) |
| Harrow to Salo | 645.46 mi (1,038.77 km) |
| Harrow to Salsomaggiore Terme | 665.79 mi (1,071.49 km) |
| Harrow to Saluzzo | 599.70 mi (965.13 km) |
| Harrow to Salzano | 705.26 mi (1,135.01 km) |
| Harrow to Samarate | 585.68 mi (942.55 km) |
| Harrow to San Benedetto del Tronto | 892.14 mi (1,435.76 km) |
| Harrow to San Biagio di Callalta | 708.18 mi (1,139.70 km) |
| Harrow to San Bonifacio | 681.35 mi (1,096.53 km) |
| Harrow to San Casciano in Val di Pesa | 765.35 mi (1,231.70 km) |
| Harrow to San Cataldo | 1,198.38 mi (1,928.61 km) |
| Harrow to San Cesareo | 915.66 mi (1,473.61 km) |
