| Springboro to Castelletto sopra Ticino | 4,463.03 mi (7,182.56 km) |
| Springboro to Castelli Calepio | 4,518.00 mi (7,271.02 km) |
| Springboro to Castelnovo ne' Monti | 4,583.25 mi (7,376.03 km) |
| Springboro to Castelnuovo Berardenga | 4,670.49 mi (7,516.42 km) |
| Springboro to Castelnuovo di Porto | 4,759.56 mi (7,659.77 km) |
| Springboro to Castelnuovo di Verona | 4,560.80 mi (7,339.90 km) |
| Springboro to Castelnuovo Rangone | 4,600.87 mi (7,404.38 km) |
| Springboro to Castelvetrano | 4,951.09 mi (7,968.01 km) |
| Springboro to Castelvetro di Modena | 4,603.45 mi (7,408.54 km) |
| Springboro to Castenaso | 4,624.51 mi (7,442.42 km) |
| Springboro to Castenedolo | 4,540.24 mi (7,306.81 km) |
| Springboro to Castiglion Fiorentino | 4,687.88 mi (7,544.42 km) |
| Springboro to Castiglione del Lago | 4,701.22 mi (7,565.89 km) |
| Springboro to Castiglione delle Stiviere | 4,551.16 mi (7,324.39 km) |
| Springboro to Castrolibero | 5,030.76 mi (8,096.23 km) |
