| Sulphur to Castelfidardo | 5,566.24 mi (8,958.00 km) |
| Sulphur to Castelfiorentino | 5,451.97 mi (8,774.10 km) |
| Sulphur to Castelfranco di Sopra | 5,476.32 mi (8,813.28 km) |
| Sulphur to Castelfranco di Sotto | 5,439.12 mi (8,753.43 km) |
| Sulphur to Castelfranco Emilia | 5,419.75 mi (8,722.24 km) |
| Sulphur to Castelfranco Veneto | 5,417.69 mi (8,718.93 km) |
| Sulphur to Castellabate | 5,748.54 mi (9,251.39 km) |
| Sulphur to Castellammare del Golfo | 5,742.88 mi (9,242.28 km) |
| Sulphur to Castellammare di Stabia | 5,711.87 mi (9,192.37 km) |
| Sulphur to Castellamonte | 5,251.39 mi (8,451.29 km) |
| Sulphur to Castellana Grotte | 5,819.87 mi (9,366.17 km) |
| Sulphur to Castellaneta | 5,819.96 mi (9,366.32 km) |
| Sulphur to Castellanza | 5,293.52 mi (8,519.10 km) |
| Sulphur to Castellarano | 5,409.48 mi (8,705.72 km) |
| Sulphur to Castelleone | 5,340.74 mi (8,595.09 km) |
