| Belfast to Sacile | 1,003.78 mi (1,615.43 km) |
| Belfast to Sala Consilina | 1,393.57 mi (2,242.73 km) |
| Belfast to Salemi | 1,455.32 mi (2,342.11 km) |
| Belfast to Salerno | 1,351.17 mi (2,174.50 km) |
| Belfast to Salo | 954.39 mi (1,535.94 km) |
| Belfast to Salsomaggiore Terme | 976.68 mi (1,571.81 km) |
| Belfast to Saluzzo | 909.93 mi (1,464.39 km) |
| Belfast to Salzano | 1,011.24 mi (1,627.44 km) |
| Belfast to Samarate | 896.70 mi (1,443.09 km) |
| Belfast to San Benedetto del Tronto | 1,201.30 mi (1,933.31 km) |
| Belfast to San Biagio di Callalta | 1,012.98 mi (1,630.23 km) |
| Belfast to San Bonifacio | 989.46 mi (1,592.39 km) |
| Belfast to San Casciano in Val di Pesa | 1,076.34 mi (1,732.21 km) |
| Belfast to San Cataldo | 1,508.87 mi (2,428.28 km) |
| Belfast to San Cesareo | 1,226.84 mi (1,974.41 km) |
