| Johnston to Castelletto sopra Ticino | 4,741.07 mi (7,630.02 km) |
| Johnston to Castelli Calepio | 4,792.35 mi (7,712.54 km) |
| Johnston to Castelnovo ne' Monti | 4,863.89 mi (7,827.67 km) |
| Johnston to Castelnuovo Berardenga | 4,954.31 mi (7,973.20 km) |
| Johnston to Castelnuovo di Porto | 5,047.50 mi (8,123.16 km) |
| Johnston to Castelnuovo di Verona | 4,833.53 mi (7,778.81 km) |
| Johnston to Castelnuovo Rangone | 4,878.88 mi (7,851.80 km) |
| Johnston to Castelvetrano | 5,264.75 mi (8,472.80 km) |
| Johnston to Castelvetro di Modena | 4,881.74 mi (7,856.39 km) |
| Johnston to Castenaso | 4,900.90 mi (7,887.24 km) |
| Johnston to Castenedolo | 4,814.33 mi (7,747.91 km) |
| Johnston to Castiglion Fiorentino | 4,970.25 mi (7,998.85 km) |
| Johnston to Castiglione del Lago | 4,984.44 mi (8,021.69 km) |
| Johnston to Castiglione delle Stiviere | 4,825.03 mi (7,765.14 km) |
| Johnston to Castrolibero | 5,321.80 mi (8,564.61 km) |
