| Mason City to Ross on Wye | 3,990.81 mi (6,422.59 km) |
| Mason City to Rossington | 3,991.24 mi (6,423.28 km) |
| Mason City to Rosyth | 3,822.90 mi (6,152.37 km) |
| Mason City to Rotherham | 3,982.35 mi (6,408.97 km) |
| Mason City to Rothwell | 3,966.99 mi (6,384.26 km) |
| Mason City to Rottingdean | 4,123.23 mi (6,635.69 km) |
| Mason City to Rowley Regis | 3,990.35 mi (6,421.85 km) |
| Mason City to Royal Leamington Spa | 4,015.87 mi (6,462.91 km) |
| Mason City to Royal Tunbridge Wells | 4,123.51 mi (6,636.16 km) |
| Mason City to Royal Wootton Bassett | 4,029.53 mi (6,484.91 km) |
| Mason City to Royston | 3,972.78 mi (6,393.58 km) |
| Mason City to Royston | 4,079.57 mi (6,565.43 km) |
| Mason City to Royton | 3,950.46 mi (6,357.65 km) |
| Mason City to Rugby | 4,023.14 mi (6,474.62 km) |
| Mason City to Rugeley | 3,984.88 mi (6,413.05 km) |
