| Mason City to Os | 3,965.01 mi (6,381.06 km) |
| Mason City to Oslo | 4,128.89 mi (6,644.81 km) |
| Mason City to Porsgrunn | 4,130.72 mi (6,647.74 km) |
| Mason City to Randaberg | 4,013.37 mi (6,458.90 km) |
| Mason City to Ringsaker | 4,086.96 mi (6,577.32 km) |
| Mason City to Royken | 4,127.16 mi (6,642.03 km) |
| Mason City to Rygge | 4,149.58 mi (6,678.11 km) |
| Mason City to Sand | 4,144.96 mi (6,670.66 km) |
| Mason City to Sande | 4,126.34 mi (6,640.70 km) |
| Mason City to Sandefjord | 4,144.88 mi (6,670.54 km) |
| Mason City to Sandnes | 4,022.51 mi (6,473.61 km) |
| Mason City to Sandvika | 4,123.76 mi (6,636.55 km) |
| Mason City to Sarpsborg | 4,164.56 mi (6,702.21 km) |
| Mason City to Sem | 4,142.22 mi (6,666.25 km) |
| Mason City to Ski | 4,140.10 mi (6,662.85 km) |
