| Flagstaff to Selargius | 6,056.97 mi (9,747.76 km) |
| Flagstaff to Selvazzano Dentro | 5,845.02 mi (9,406.65 km) |
| Flagstaff to Senago | 5,745.70 mi (9,246.82 km) |
| Flagstaff to Senigallia | 5,977.72 mi (9,620.22 km) |
| Flagstaff to Seravezza | 5,861.46 mi (9,433.11 km) |
| Flagstaff to Seregno | 5,744.72 mi (9,245.24 km) |
| Flagstaff to Seriate | 5,760.65 mi (9,270.86 km) |
| Flagstaff to Sermoneta | 6,080.30 mi (9,785.29 km) |
| Flagstaff to Serramanna | 6,039.69 mi (9,719.94 km) |
| Flagstaff to Serravalle Pistoiese | 5,887.16 mi (9,474.47 km) |
| Flagstaff to Sessa Aurunca | 6,129.51 mi (9,864.49 km) |
| Flagstaff to Sesto Calende | 5,721.27 mi (9,207.49 km) |
| Flagstaff to Sesto Fiorentino | 5,903.11 mi (9,500.14 km) |
| Flagstaff to Sesto San Giovanni | 5,751.57 mi (9,256.25 km) |
| Flagstaff to Sestri Levante | 5,818.80 mi (9,364.46 km) |
